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  • Ravallion, Martin  (68)
  • Iimi, Atsushi
  • Washington, D.C : The World Bank  (103)
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  • 1
    Language: English
    Pages: 1 Online-Ressource (31 pages)
    Parallel Title: Erscheint auch als Iimi, Atsushi Agglomeration Economies and Transport Connectivity Revisited: A Regional Perspective based on Evidence from the Caucasus and Central Asian Countries
    Keywords: Dynamic Panel Data Regression ; Firm Agglomeration ; International Economics and Trade ; Local Market Accessibility ; Regional Connectivity ; Rural Development ; Rural Roads and Transport ; Trade and Regional Integration ; Trade and Transport ; Transport Connectivity ; Urban Development
    Abstract: Transport connectivity is an important determinant of agglomeration economies and urbanization. However, measuring its impacts is a complex task when causality is considered. An important empirical challenge comes from potential endogeneity of infrastructure placement. To deal with the endogeneity problem, first, the paper constructs detailed georeferenced connectivity measurements based on micro shipping data collected over 10 years. Then, the system generalized method of moments regression is applied. Using unique data from the Caucasus and Central Asian countries, the paper estimates the impact of transport connectivity on agglomeration economies. It finds that agglomeration economies are significant and persistent in the region. Thus, the existing firm clusters are likely to continue growing. However, a constraint is also found. Large cities exhibit congestion diseconomies. Finally, the paper shows that the improvement of transport connectivity, especially local market accessibility, has a significant effect on agglomeration. By contrast, no clear evidence to support the impact of improved regional connectivity on agglomeration is observed yet. To take full advantage of agglomeration economies at the regional level, further efforts may be needed, for instance, toward increasing efficiency in transportation and logistics, improving the freight load, and/or reducing the time and costs of border crossing, which add to overall transport costs and times
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  • 2
    Language: English
    Pages: 1 Online-Ressource (28 pages)
    Parallel Title: Erscheint auch als Iimi, Atsushi Estimating Road Freight Transport Costs in Eastern Europe and Central Asia using Large Shipping Data
    Keywords: International Economics and Trade ; Regional Integration ; Road Freight Rates ; Rural Development ; Rural Roads and Transport ; Shipping Charge Elasticity ; Shipping Cost Increase ; Supply Chain ; Trade and Transport
    Abstract: The recent global crises, such as the COVID-19 crisis, remind us of the importance of efficient transportation and logistics. Notably, however, even before the crises, some regions were already experiencing a gradual increase in freight costs, with more and more empty trucks observed. The paper recasts light on the question of how road freight costs are determined using large, unique shipping data from Eastern European and Central Asian countries. It finds that economies of scale are significant in both freight weight or load factor and distance. The elasticity with respect to freight weight is particularly high at about 0.3 to 1.0 in absolute terms. Thus, to contain trucking costs, it is important to maximize the load factor through freight consolidation at origins and destinations. The elasticity with respect to distance is relatively modest at 0.04 to 0.16 in absolute terms but still statistically significant, indicating that distance may not necessarily be a constraint on trade and regional integration. Trucking costs also decrease with driving speed, a proxy for efficiency of movements or road conditions. The elasticity is significant for food products (-0.03) and other consumer goods (-0.11). Finally, the paper finds that border crossing adds 3-4 percent to freight costs
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  • 3
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: 1 Online-Ressource (42 pages)
    Parallel Title: Erscheint auch als Iimi, Atsushi Estimating the Demand for Informal Public Transport: Evidence from Antananarivo, Madagascar
    Keywords: Demand Analysis ; Energy ; Energy Production and Transportation ; Environment ; Informal Public Transport ; Informal Transportation ; Infrastructure Economics and Finance ; Pollution Management and Control ; Population Growth ; Private Participation in Infrastructure ; Traffic Congestion ; Transport Globl Knowledge and Expertise ; Urban Environment ; Urban Infrastructure ; Urban Mobility ; Urban Transport ; Urban Transportation
    Abstract: Informal public transport has been growing rapidly in many developing countries. Because urban infrastructure development tends to lag rapid population growth, informal public transport often meets the growing gap between demand and supply in urban mobility. Despite the rich literature primarily focused on formal transport modes, the informal transport sector is relatively unknown. This paper analyzes the demand behavior in the "informal" minibus sector in Antananarivo, Madagascar, taking advantage of a recent user survey of thousands of people. It finds that the demand for informal public transport is generally inelastic. Essentially, people have no other choice. While the time elasticity is estimated at -0.02 to -0.05, the price elasticity is -0.05 to -0.06 for short-distance travelers, who may have alternative choices, such as motorcycle taxi or walking. Unlike formal public transportation, the demand also increases with income. Regardless of income level, everyone uses minibuses. The estimated demand functions indicate that people prefer safety and more flexibility in transit. The paper shows that combining these improvements and fare adjustments, the informal transport sector can contribute to increasing people's mobility and reducing traffic congestion in the city
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  • 4
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: 1 Online-Ressource (60 pages)
    Parallel Title: Erscheint auch als Lokshin, Michael Is Social Protection a Luxury Good?
    Keywords: Distribution ; Economic Assistance ; Engel Curve ; Governance ; ICT Economics ; ICT Support To Social Protections ; Information and Communication Technologies ; Macroeconomics and Economic Growth ; Pandemic ; Selective Data Reporting ; Social Protection ; Social Protection Expenditure ; Social Protections and Assistance ; Social Protections and Labor
    Abstract: The claim that social protection is a luxury good-with a national income elasticity exceeding unity-has been influential. The paper tests the "luxury good hypothesis" using newly-assembled data on social protection spending across countries since 1995, treating the pandemic period separately, as it entailed a large expansion in social protection efforts. While the mean income share devoted to social protection rises with income, this is attributable to multiple confounders, including relative prices, weak governance in low-income countries and access to information-communication technologies. Controlling for these, social protection is not a luxury good. This was also true during the pandemic
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  • 5
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: 1 Online-Ressource (23 pages)
    Parallel Title: Erscheint auch als Print Version: Lokshin, Michael Would Mexican Migrants be Willing to Guarantee Americans a Basic Income?
    Abstract: The paper simulates a double-sided competitive market in temporary work permits between the U.S. and Mexico. Eligible working-age Americans would have the option of renting out their implicit work permits while Mexican workers have remunerative new opportunities. With plausible allowances for migration costs, the market can support a self-financed and self-targeted basic income for Americans and lower their poverty rate. With sufficiently high tax rates on work permits, the scheme can be managed to avoid a large increase in the count of total migrants compared to now. The likely change in the skill composition of migrants would raise U.S. GDP
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  • 6
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: 1 Online-Ressource (130 pages)
    Series Statement: World Bank E-Library Archive
    Series Statement: International Development in Focus
    Parallel Title: Erscheint auch als
    Abstract: Liberia has been influenced by the Ebola crisis since 2014, but the economy is now recovering quickly. Still, significant challenges lie ahead. Agriculture, an important sector that employs approximately half of the labor force, still has a weak growth trajectory. Many rural people are not well connected to markets and live below the poverty line. To use limited resources effectively, strategic planning and prioritization of public investment are essential. Particularly, the Ebola crisis revealed the vulnerability of the country's transport connectivity and health systems. This book analyzes the country's transport connectivity, identifying the existing bottlenecks and possible economic potentials. By taking advantage of the country's first-ever georeferenced road network data, the analysis casts light on various aspects of connectivity, such as rural accessibility, market access, access to port and health facilities and multimodal connectivity, including cabotage. It is shown that transport connectivity is crucial to increasing agricultural production, stimulating agglomeration economies, and supporting people's access to health care services. Significant resources are likely to be required to meet the existing gap. The book estimates the financial needs by development objective and discusses important policy issues, including the possibility of public-private partnerships to finance transport infrastructure
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  • 7
    Language: English
    Pages: 1 Online-Ressource (34 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Iimi, Atsushi Rail Transport and Firm Productivity: Evidence from Tanzania
    Abstract: Railway transport generally has the advantage for large-volume, long-haul freight operations. Africa possesses significant railway assets. However, many rail lines are currently not operational because of the lack of maintenance. The paper recasts light on the impact of rail transportation on firm productivity, using micro data collected in Tanzania. To avoid the endogeneity problem, the instrumental variable technique is used to estimate the impact of rail transport. The paper shows that the overall impact of rail use on firm costs is significant despite that the rail unit rates are set lower when the shipping distance is longer. Rail transport is a cost-effective option for firms. However, the study finds that firms' inventory is costly. This is a disadvantage of using rail transport. Rail operations are unreliable, adding more inventory costs to firms. The implied elasticity of demand for transport services is estimated at ?1.01 to ?0.52, relatively high in absolute terms. This indicates the rail users' sensitivity to prices as well as severity of modal competition against truck transportation. The study also finds that firm location matters to the decision to use rail services. Proximity to rail infrastructure is important for firms to take advantage of rail benefits
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  • 8
    Language: English
    Pages: 1 Online-Ressource (29 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Iimi, Atsushi Port Rail Connectivity and Agricultural Production: Evidence from a Large Sample of Farmers in Ethiopia
    Abstract: Agriculture remains an important economic sector in Africa, employing a large share of the labor force and earning foreign exchange. Among others, transport connectivity has long been a crucial constraint in Africa. In theory, railways have a particularly important role to play in shipping freight and passengers at low cost. However, most African railways were in virtual bankruptcy by the 1990s. Using a large sample of data comprised of more than 190,000 households over eight years in Ethiopia, the paper estimates the impacts of rail transport on agricultural production. Methodologically, the paper takes advantage of the historical event that a major rail line connecting the country to the regional hub, the Port of Djibouti, was abandoned in the 2000s. With spatially highly disaggregated fixed effects and instrumental variables incorporated, an agricultural production function is estimated. The elasticity with respect to port connectivity is estimated at 0.276. The use of fertilizer is also found to increase with transport cost reduction, supporting the fact that a large amount of fertilizer is imported to Ethiopia
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  • 9
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: 1 Online-Ressource (53 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Ravallion, Martin Welfare-Consistent Global Poverty Measures
    Abstract: The paper provides new measures of global poverty that take seriously the idea of relative-income comparisons but also acknowledge a deep identification problem when the latent norms defining poverty vary systematically across countries. Welfare-consistent measures are shown to be bounded below by a fixed absolute line and above by weakly-relative lines derived from a theoretical model of relative-income comparisons calibrated to data on national poverty lines. Both bounds indicate falling global poverty incidence, but more slowly for the upper bound. Either way, the developing world has a higher poverty incidence but is making more progress against poverty than the developed world
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  • 10
    Language: English
    Pages: 1 Online-Ressource (32 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Iimi, Atsushi Output- and Performance-Based Road Contracts and Agricultural Production: Evidence from Zambia
    Abstract: Rural access is among the most important infrastructure elements to stimulate economic growth in rural and remote areas. The sustainability of feeder road maintenance is a challenge in many developing countries. Many feeder roads are unpaved and need to be maintained frequently, but they are often neglected under budget pressure. Output- and performance-based road contracts are an instrument to ensure the sustainability of road maintenance. Contractors are required not only to improve roads, but also to maintain them. Using micro data from household surveys in Zambia, the paper examines the impacts of output- and performance-based road contracts on agricultural production. It shows that the contracts have a significant impact on crop production, especially maize and groundnuts, two major crops grown in the study area. The paper also finds that the measured impacts are associated with actual road maintenance works, regardless of contractual methods. Any road work can improve people's connectivity, even if it is not an output- and performance-based road contracts. The impact of the contracts is catalytic: more road works were implemented on contract roads than non-contract roads, holding everything else constant. This is an important contribution to the sustainability of road maintenance. Finally, road improvement works are found to facilitate farmers' market participation, but the impact seems weak. There may be other constraints. Transport service costs are found to have a negative impact on farmers' market sales. Thus, although roads are improved, transport services may be not available or too expensive, which still hamper farmers' market participation
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  • 11
    Language: English
    Pages: 1 Online-Ressource (28 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Iimi, Atsushi Modal Choice between Rail and Road Transportation: Evidence from Tanzania
    Abstract: Rail transport generally has the advantage for large-volume long-haul freight operations. The literature generally shows that shipping distance, costs, and reliability are among the most important determinants of people's modal choice among road, rail, air, and coastal shipping transport. However, there is little evidence in Africa, although the region historically possesses significant rail assets. Currently, Africa's rail transport faces intense competition against truck transportation. With firm-level data, this paper examines shippers' modal choice in Tanzania. The traditional multinomial logit and McFadden's choice models were estimated. The paper shows that rail prices and shipping distance and volume are important determinants of firms' mode choice. The analysis also finds that the firms' modal choice depends on the type of transactions. Rail transport is more often used for international trading purposes. Exporters and importers are key customers for restoring rail freight operations. Rail operating speed does not seem to have an unambiguous effect on firms' modal selection
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  • 12
    Language: English
    Pages: 1 Online-Ressource (24 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Iimi, Atsushi Spatial Autocorrelation Panel Regression: Agricultural Production and Transport Connectivity
    Abstract: Spatial analysis in economics is becoming increasingly important as more spatial data and innovative data mining technologies are developed. Even in Africa, where data often crucially lack quality analysis, a variety of spatial data have recently been developed, such as highly disaggregated crop production maps. Taking advantage of the historical event that rail operations were ceased in Ethiopia, this paper examines the relationship between agricultural production and transport connectivity, especially port accessibility, which is mainly characterized by rail transport. To deal with endogeneity of infrastructure placement and autocorrelation in spatial data, the spatial autocorrelation panel regression model is applied. It is found that agricultural production decreases with transport costs to the port: the elasticity is estimated at -0.094 to -0.143, depending on model specification. The estimated autocorrelation parameters also support the finding that although farmers in close locations share a certain common production pattern, external shocks, such as drought and flood, have spillover effects over neighboring areas
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  • 13
    Language: English
    Pages: 1 Online-Ressource (53 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Brown, Caitlin Are Poor Individuals Mainly Found in Poor Households? Evidence Using Nutrition Data for Africa
    Abstract: Antipoverty policies in developing countries often assume that targeting poor households will be reasonably effective in reaching poor individuals. This paper questions this assumption, using nutritional status as a proxy for individual poverty. The comprehensive assessment for Sub-Saharan Africa reveals that undernourished women and children are spread widely across the distribution of household wealth and consumption. Roughly three-quarters of underweight women and undernourished children are not found in the poorest 20 percent of households, and around half are not found in the poorest 40 percent. The mean joint probability of being an underweight woman and living in the poorest wealth quintile is only 0.03. Countries with higher overall rates of undernutrition tend to have a higher share of undernourished individuals in nonpoor households. The results are consistent with evidence of substantial intrahousehold inequality
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  • 14
    Language: English
    Pages: 1 Online-Ressource (36 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Gibson, John For India's Rural Poor, Growing Towns Matter More than Growing Cities
    Abstract: It is theoretically ambiguous whether growth of cities matters more to the rural poor than growth of towns. This paper empirically examines whether growth of India's secondary towns or big cities mattered more to recent rural poverty reduction, noting that data deficiencies have made this a difficult question to answer previously. Satellite observations of night lights are used to measure urban growth on the extensive and intensive margins in the context of a spatial Durbin fixed-effects model of poverty measures for rural India, calibrated to a panel of 59 regions observed four times over 1993-2012. The expansion of lit area had greater effect on the rural poverty measures than did intensive margin growth in the brightness of light from urban areas. For India's current stage of development, growth of secondary towns may do more to reduce rural poverty than big city growth, although the theoretical model suggests that cities may eventually take over from towns as the drivers of rural poverty reduction
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  • 15
    Language: English
    Pages: 1 Online-Ressource (50 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Datt, Gaurav Growth, Urbanization, and Poverty Reduction in India
    Abstract: Longstanding development issues are revisited in the light of a newly-constructed data set of poverty measures for India spanning 60 years, including 20 years since reforms began in earnest in 1991. The study finds a downward trend in poverty measures since 1970, with an acceleration post-1991, despite rising inequality. Faster poverty decline came with higher growth and a more pro-poor pattern of growth. Post-1991 data suggest stronger inter-sectoral linkages: urban consumption growth brought gains to the rural as well as the urban poor, and the primary-secondary-tertiary composition of growth has ceased to matter, as all three sectors contributed to poverty reduction
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  • 16
    Language: English
    Pages: 1 Online-Ressource (18 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Iimi, Atsushi New Rural Access Index: Main Determinants and Correlation to Poverty
    Abstract: Transport connectivity is essential to sustain inclusive growth in developing countries, where many rural populations and businesses are still considered to be unconnected to the domestic, regional, or global market. The Rural Access Index is among the most important global indicators for measuring people's transport accessibility in rural areas where the majority of the poor live. A new method to calculate the Rural Access Index was recently developed using spatial data and techniques. The characteristics of subnational Rural Access Index estimates were investigated in eight countries: Bangladesh, Ethiopia, Kenya, Mozambique, Nepal, Tanzania, Uganda, and Zambia. It was found that for the countries in Africa, road density and road condition are important determinants of the Rural Access Index. For the South Asian countries, improvement of road condition is particularly relevant. The evidence suggests that significant resources are likely to be required to achieve universal access through rehabilitating the existing road network and expanding the road network
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  • 17
    Language: English
    Pages: 1 Online-Ressource (25 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Diaw, Issa Sustainability of a Residential CFL Distribution Program: Evidence from Ethiopia
    Abstract: Energy-efficient products generally offer a win-win proposition, because they pay for themselves. End users can reduce their energy costs, and power utilities can avoid costly investments in extra generation capacity. Moreover, energy efficiency can contribute to mitigating global warming. This paper casts light on the sustainability of the residential use of compact fluorescent lamps after the free compact fluorescent lamp distribution program in Ethiopia. It is found that the direct program effect has been sustained for at least four years after the program. The effect of the distributed compact fluorescent lamps may taper off, if some of the program beneficiaries reinstall relatively cheap incandescent bulbs when the compact fluorescent lamps are burned out. However, many households replaced burned out compact fluorescent lamps with new compact fluorescent lamps. This effect is found to be statistically significant, particularly among relatively low-income households, whose demand is more price-elastic. All the indications are that program participants were generally convinced that compact fluorescent lamp bulbs are more cost-effective in the long run and the program effect is sustained over time
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  • 18
    Language: English
    Pages: 1 Online-Ressource (55 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Brown, Caitlin A Poor Means Test? Econometric Targeting in Africa
    Abstract: Proxy-means testing is a popular method of poverty targeting with imperfect information. In a now widely-used version, a regression for log consumption calibrates a proxy-means test score based on chosen covariates, which is then implemented for targeting out-of-sample. In this paper, the performance of various proxy-means testing methods is assessed using data for nine African countries. Standard proxy-means testing helps filter out the nonpoor, but excludes many poor people, thus diminishing the impact on poverty. Some methodological changes perform better, with a poverty-quantile method dominating in most cases. Even so, either a basic-income scheme or transfers using a simple demographic scorecard are found to do as well, or almost as well, in reducing poverty. However, even with a budget sufficient to eliminate poverty with full information, none of these targeting methods brings the poverty rate below about three-quarters of its initial value. The prevailing methods are particularly deficient in reaching the poorest
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  • 19
    Language: English
    Pages: 1 Online-Ressource (35 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Iimi, Atsushi Crop Choice and Infrastructure Accessibility in Tanzania: Subsistence Crops or Export Crops?
    Abstract: Macroeconomics and Economic Growth
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  • 20
    Language: English
    Pages: 1 Online-Ressource (28 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Iimi, Atsushi Firms' Locational Choice and Infrastructure Development in Rwanda
    Abstract: Finance and Financial Sector Development
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  • 21
    Language: English
    Pages: 1 Online-Ressource (35 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Iimi, Atsushi Firm Productivity and Infrastructure Costs in East Africa
    Abstract: Energy
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  • 22
    Language: English
    Pages: 1 Online-Ressource (33 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Iimi, Atsushi Firm Inventory Behavior in East Africa
    Abstract: Finance and Financial Sector Development
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  • 23
    Language: English
    Pages: 1 Online-Ressource (28 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Iimi, Atsushi Firms' Locational Choice and Infrastructure Development in Tanzania: Instrumental Variable Spatial Autoregressive Model
    Abstract: Macroeconomics and Economic Growth
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  • 24
    Language: English
    Pages: 1 Online-Ressource (43 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Iimi, Atsushi Agriculture Production and Transport Infrastructure in East Africa: An Application of Spatial Autoregression
    Abstract: Rural Development
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  • 25
    Language: English
    Pages: 1 Online-Ressource (55 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Iimi, Atsushi Social and Economic Impacts of Rural Road Improvements in the State of Tocantins, Brazil
    Abstract: The aim of this paper is to provide feedback on the question of socioeconomic benefits from rural road development and the impact of transport infrastructure on the poor, particularly the poorest and the bottom 20 percent of the population. This paper relies on impact evaluation methodologies, which are traditionally used in social sectors but less so in the transport sector. The study, including first surveys, was launched in 2003 under the Tocantins Sustainable Regional Development Project. The paper highlights the context that led to the project's design, which included an impact evaluation of the works envisaged under the project. The paper also highlights some of the main challenges faced by this impact evaluation and how these challenges were addressed for the present study. It then provides details about the data collected during the surveys and the key relevant characteristics of the population targeted by the surveys. It discusses the possible estimation methods envisioned to undertake the study and provides the main results of the assessment based on these methods. The analysis shows that improved rural roads changed people's transport modal choice. People used more public buses and individual motorized vehicles after the rural road improvements. The paper also finds that the project increased school attendance, particularly for girls. Although the evidence is relatively weak in statistical terms, it indicates that the project contributed to increasing agricultural jobs and household income in certain regions
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  • 26
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (26 p)
    Edition: 2013 World Bank eLibrary
    Parallel Title: Quy-Toan Do Trade Insulation as Social Protection
    Abstract: In a world with volatile food prices, countries have an incentive to shelter their populations from induced real income shocks. When some agents are net food producers while others are net consumers, there is scope for insurance between the two groups. A domestic social protection scheme would therefore transfer resources away from the former group to the latter in times of high food prices, and do the reverse otherwise. This paper shows that in the presence of consumer preference heterogeneity, implementing the optimal social protection policy can potentially induce higher food price volatility. Such policy indeed generates a counter-cyclical demand shock that amplifies the effects of the underlying food shortage. The results call for a reassessment of food stabilization policies. In particular, the authors urge caution against the systematic condemnation of trade insulation practices
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  • 27
    Language: English
    Pages: Online-Ressource (49 p)
    Edition: 2013 World Bank eLibrary
    Parallel Title: Iimi, Atsushi Multidimensional Auctions for Public Energy Efficiency Projects
    Abstract: Competitive bidding is an important policy tool to procure goods and services from the market at the lowest possible cost. Under traditional public procurement systems, however, it may be difficult to purchase highly customized objects, such as energy efficiency services. This is because not only prices but also other nonmonetary aspects need to be taken into account. Multidimensional auctions are often used to evaluate multidimensional bids. This paper examines the bidding strategy in multidimensional auctions, using data from public energy service company projects in Japan. It shows that multidimensional auctions work well, as theory predicts. The competition effect is significant. In addition, strategic information disclosure, including walk-through and preannouncement of reserve prices, can also promote energy savings and investment. Risk sharing arrangements are critical in the energy service company market. In particular, the public sector should take regulatory risk
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  • 28
    Language: English
    Pages: Online-Ressource (31 p)
    Edition: 2013 World Bank eLibrary
    Parallel Title: Ravallion, Martin Benefit Incidence with Incentive Effects, Measurement Errors and Latent Heterogeneity
    Abstract: Empirical studies of tax and benefit incidence routinely ignore behavioral responses and measurement errors. This paper offers an econometric method of estimating the mean benefit withdrawal rate (marginal tax rate) allowing for incentive effects, measurement errors, and correlated latent heterogeneity in incidence. Under the method's identifying assumptions, a feasible instrumental variables estimator corrects for incentive effects and measurement errors, and provides a bound for the true value when there is correlated incidence heterogeneity. A case study for a large cash transfer program in China indicates that past methods of assessing benefit incidence using either nominal official rates or raw tabulations from survey data are deceptive. The program entails a nominal 100 percent benefit withdrawal rate-a poverty trap. However, the paper finds that the actual rate is much lower, and clearly too low in the light of the literature on optimal income taxation. The paper discusses likely reasons based on the qualitative observations
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  • 29
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (24 p)
    Edition: 2013 World Bank eLibrary
    Parallel Title: Ravallion, Martin How Long Will it Take to Lift One Billion People Out of Poverty?
    Abstract: Alternative scenarios are considered for reducing by one billion the number of people living below
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  • 30
    Language: English
    Pages: Online-Ressource (54 p)
    Edition: 2013 World Bank eLibrary
    Parallel Title: Van de Walle, Dominique Long-Term Impacts of Household Electrification in Rural India
    Abstract: India's huge expansion in rural electrification in the 1980s and 1990s offers lessons for other countries today. The paper examines the long-term effects of household electrification on consumption, labor supply, and schooling in rural India over 1982-99. It finds that household electrification brought significant gains to consumption and earnings, the latter through changes in market labor supply. It finds positive effects on schooling for girls but not for boys. External effects are also evident, whereby households without electricity benefit from village electrification. Wage rates were unaffected. Methodologically, the results suggest sizeable upward biases in past estimates of the gains from electrification associated with how past analyses dealt with geographic effects
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  • 31
    Language: English
    Pages: Online-Ressource (31 p)
    Edition: 2013 World Bank eLibrary
    Parallel Title: Ravallion, Martin Testing Information Constraints on India's Largest Antipoverty Program
    Abstract: Public knowledge about India's ambitious Employment Guarantee Scheme is low in one of India's poorest states, Bihar, where participation is also unusually low. Is the solution simply to tell people their rights? Or does their lack of knowledge reflect deeper problems of poor people's agency and an unresponsive supply side? This paper reports on an information campaign that was designed and implemented in the form of an entertaining movie to inform people of their rights under the scheme. In randomly-assigned villages, the movie brought significant gains in knowledge and more positive perceptions about the impact of the scheme. But objectively measured employment showed no gain on average, suggesting that the movie created a "groupthink," changing social perceptions about the scheme but not individual efficacy in accessing it. The paper concludes that awareness generation needs to go hand-in-hand with supply-side changes
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  • 32
    Language: English
    Pages: Online-Ressource (40 p)
    Edition: 2013 World Bank eLibrary
    Parallel Title: Ravallion, Martin Can Subjective Questions on Economic Welfare be Trusted?
    Abstract: While self-assessments of welfare have become popular for measuring poverty and estimating welfare effects, the methods can be deceptive given systematic heterogeneity in respondents' scales. Little is known about this problem. This study uses specially-designed surveys in three countries, Tajikistan, Guatemala, and Tanzania, to study scale heterogeneity. Respondents were asked to score stylized vignettes, as well as their own household. Diverse scales are in evidence, casting considerable doubt on the meaning of widely-used summary measures such as subjective poverty rates. Nonetheless, under the identifying assumptions of the study, only small biases are induced in the coefficients on widely-used regressors for subjective poverty and welfare
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  • 33
    Language: English
    Pages: Online-Ressource (44 p)
    Edition: 2013 World Bank eLibrary
    Parallel Title: Murgai, Rinku Is Workfare Cost-Effective against Poverty in a Poor Labor-Surplus Economy?
    Abstract: Workfare schemes impose work requirements on beneficiaries. This has seemed an attractive idea for self-targeting transfers to poor people. This incentive argument does not imply, however, that workfare is more cost-effective against poverty than even poorly-targeted options, given hidden costs of participation. In particular, even poor workfare participants in a labor-surplus economy can be expected to have some forgone income when they take up such a scheme. A survey-based method is used to assess the cost-effectiveness of India's Employment Guarantee Scheme in Bihar. Participants are found to have forgone earnings, although these fall well short of market wages on average. Factoring in these hidden costs, the paper finds that for the same budget, workfare has less impact on poverty than either a basic-income scheme (providing the same transfer to all) or uniform transfers based on the government's below-poverty-line ration cards. For workfare to dominate other options, it would have to work better in practice. Reforms would need to reduce the substantial unmet demand for work, close the gap between stipulated wages and wages received, and ensure that workfare is productive-that the assets created are of value to poor people. Cost-effectiveness would need to be reassessed at the implied higher levels of funding
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  • 34
    Language: English
    Pages: Online-Ressource (24 p)
    Edition: 2013 World Bank eLibrary
    Parallel Title: Costolanski, Peter Impact Evaluation of Free-of-Charge CFL Bulb Distribution in Ethiopia
    Abstract: Electricity infrastructure is one of the most important development challenges in Africa. While more resources are clearly needed to invest in new capacities, it is also important to promote energy efficiency and manage the increasing demand for power. This paper evaluates one of the recent energy-efficiency programs in Ethiopia, which distributed 350,000 compact fluorescent lamp bulbs free of charge. The impact related to this first phase is estimated at about 45 to 50 kilowatt hours per customer per month, or about 13.3 megawatts of energy savings in total. The overall impact of the compact fluorescent lamp bulb programs, thanks to which more than 5 million bulbs were distributed, could be significantly larger. The paper also finds that the majority of the program beneficiaries were low-volume customers-mostly from among the poor-although the program was not targeted. In addition, the analysis determines the distributional effect of the program: the energy savings relative to the underlying energy consumption were larger for the poor. The evidence also supports a rebound effect. About 20 percent of the initial energy savings disappeared within 18 months of the program's completion
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  • 35
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (27 p)
    Edition: 2012 World Bank eLibrary
    Parallel Title: Atsushi Iimi Optimizing the Size of Public Road Contracts
    Abstract: Procurement packaging has important effects on not only the bidders' bidding behavior, but also contractors' performance. By changing the size of public contracts, procurers can encourage (or discourage) market competition and improve contract performance, avoiding unnecessary cost overruns and project delays. In practice, there is no single solution about how to package public contracts. With procurement data from road projects in Nepal, this paper examines the optimal size of road contracts in rural areas. The optimum varies depending on policy objectives. To maximize the bidder participation, the length of road should be about 11 kilometers. To minimize cost overruns and delays, the contracts should be much larger at 17 and 21 kilometers, respectively. Compared with the current procurement practices, the findings suggest that procurers take more advantage of enlarging road packages, although contracts that are too large may increase the risk of discouraging firms from participating in public tenders
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  • 36
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (23 p)
    Edition: 2012 World Bank eLibrary
    Parallel Title: Atsushi Iimi Adapting Road Procurement to Climate Conditions
    Abstract: The world's climate is changing. It is well recognized that technical standards and project specifications of public infrastructure have to be adjusted, depending on the climate. However, it is less recognized that the public infrastructure procurement also needs to be adjusted. This paper examines a particular case of rural road procurement in Nepal. Severe weather conditions, such as heavy rains and storms, are likely to interrupt civil works and wash away unpaved or gravel roads. It is found that heavy precipitation causes delays, but not cost overruns. The paper also shows that budgetary efficiency and credibility could be improved by taking climate conditions into account. If future precipitation were anticipated by backward-looking expectations, many large project delays could be avoided. If the autoregressive precipitation model were used, the vast majority of the observed delays could be eliminated
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  • 37
    Language: English
    Pages: Online-Ressource (30 p)
    Edition: 2012 World Bank eLibrary
    Parallel Title: Alik Lagrange, Arthur Evaluating Workfare When the Work is Unpleasant
    Abstract: Prevailing practices in evaluating workfare programs have ignored the disutility of the type of work done, with theoretically ambiguous implications for the impacts on poverty. In the case of India's National Rural Employment Guarantee Scheme, past assessments have relied solely on household consumption per person as the measure of economic welfare. The paper generalizes this measure to allow for the disutility of casual manual work. The new measure is calibrated to the distribution of the preference parameters implied by maximization of an idiosyncratic welfare function assuming that there is no rationing of the available work. The adjustment implies a substantially more "poor-poor" incidence of participation in the scheme than suggested by past methods. However, the overall impacts on poverty are lower, although still positive. The main conclusions are robust to a wide range of alternative parameter values and to allowing for involuntary unemployment using a sample of (self-declared) un-rationed workers
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  • 38
    Language: English
    Pages: Online-Ressource (39 p)
    Edition: 2012 World Bank eLibrary
    Parallel Title: Ravallion, Martin Poor, or Just Feeling Poor?
    Abstract: The challenges faced in calibrating poverty and welfare measures to objective data have long been recognized. Until recently, most economists have resisted a seemingly obvious solution, namely to ask people themselves: "Do you feel poor?" The paper studies the case for and against this approach. It is argued that, while one would not want to use self-assessments as welfare metrics in their own right, there is scope for using such data to help calibrate multidimensional measures. Indeed, the idea of a "social subjective poverty line" (below which people tend to think they are poor, but above which they do not) is arguably the most conceptually appealing way of defining poverty. However, the paper points to a number of concerns that have received insufficient attention, including the choice of covariates, survey design issues, measurement errors, frame-of-reference effects, and latent heterogeneity in personality traits and personal tradeoffs. Directions for future research are identified
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  • 39
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (24 p)
    Edition: 2012 World Bank eLibrary
    Parallel Title: Ravallion, Martin Can We Trust Shoestring Evaluations?
    Abstract: Many more impact evaluations could be done, and at lower unit cost, if evaluators could avoid the need for baseline data using objective socio-economic surveys and rely instead on retrospective subjective questions on how outcomes have changed, asked post-intervention. But would the results be reliable? This paper tests a rapid-appraisal, "shoestring," method using subjective recall for welfare changes. The recall data were collected at the end of a full-scale evaluation of a large poor-area development program in China. Qualitative recalls of how living standards have changed are found to provide only weak and biased signals of the changes in consumption as measured from contemporaneous surveys. Importantly, the shoestring method was unable to correct for the selective placement of the program favoring poor villages. The results of this case study are not encouraging for future applications of the shoestring method, although similar tests are needed in other settings
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  • 40
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (33 p)
    Edition: 2012 World Bank eLibrary
    Parallel Title: Ravallion, Martin Benchmarking Global Poverty Reduction
    Abstract: Against what standards should we judge the developing world's overall performance against poverty going forward? The paper proposes two measures, each with both "optimistic" and "ambitious" targets for 2022, 10 years from the time of writing. The first measure is absolute consumption poverty, as judged by what "poverty" means in the poorest countries. The second is a new relative poverty measure, embracing social inclusion needs consistently with national poverty lines. The optimistic benchmark would entail an absolute poverty rate of 9 percent in 2022, and a relative poverty rate of 40 percent. The more ambitious targets would bring the absolute rate down to 3 percent and the relative rate to 33 percent. The optimistic target would maintain the (impressive) progress against poverty of the last 20 years, without global crises to stall that progress. The ambitious target would require about a 1 percentage point higher growth rate for the gross domestic product of the developing world, as long as this did not come with a reduction in the household sector's share or any further increase in overall inequality after its level in 2008. Alternatively, the 3 percent target could be reached at currently expected growth rates but at the lower level of inequality in 1999
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  • 41
    Language: English
    Pages: Online-Ressource (34 p)
    Edition: 2012 World Bank eLibrary
    Parallel Title: Dutta, Puja Does India's Employment Guarantee Scheme Guarantee Employment?
    Abstract: In 2005 India introduced an ambitious national anti-poverty program, now called the Mahatma Gandhi National Rural Employment Guarantee Scheme. The program offers up to 100 days of unskilled manual labor per year on public works projects for any rural household member who wants such work at the stipulated minimum wage rate. The aim is to dramatically reduce poverty by providing extra earnings for poor families, as well as empowerment and insurance. If the program worked in practice the way it is designed, then anyone who wanted work on the scheme would get it. However, analysis of data from India's National Sample Survey for 2009/10 reveals considerable un-met demand for work in all states. The authors confirm expectations that poorer families tend to have more demand for work on the scheme, and that (despite the un-met demand) the self-targeting mechanism allows it to reach relatively poor families and backward castes. The extent of the un-met demand is greater in the poorest states-ironically where the scheme is needed most. Labor-market responses to the scheme are likely to be weak. The scheme is attracting poor women into the workforce, although the local-level rationing processes favor men
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  • 42
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (42 p)
    Edition: 2012 World Bank eLibrary
    Parallel Title: Shaohua Chen More Relatively-Poor People in a Less Absolutely-Poor World
    Abstract: Relative deprivation, shame and social exclusion can matter to the welfare of people everywhere. The authors argue that such social effects on welfare call for a reconsideration of how we assess global poverty, but they do not support standard measures of relative poverty. The paper argues instead for using a weakly-relative measure as the upper-bound complement to the lower-bound provided by a standard absolute measure. New estimates of global poverty are presented, drawing on 850 household surveys spanning 125 countries over 1981-2008. The absolute line is
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  • 43
    Language: English
    Pages: Online-Ressource (47 p)
    Edition: 2011 World Bank eLibrary
    Parallel Title: Lambert, Sylvie Is it what you Inherited or what you Learnt?
    Abstract: Institutional features of the African setting-large extended families and imperfect credit and land markets-matter to the equity and efficiency roles played by intergenerational linkages. Using original survey data on Senegal that include an individualized measure of consumption, this paper studies the role played by land inheritance, other bequests and parental background as influences on an adult's economic welfare and economic activities. Although intergenerational linkages are evident, the analysis finds a seemingly high degree of mobility across generations, associated with the shift from farm to non-farm sectors and the greater economic activity of women. Male-dominated bequests of land and housing bring little gain to mean consumption and play little role in explaining inequality, although they have effects on the sector of activity. Inheritance of non-land assets and the education and occupation of parents (especially the mother) and their choices about children's schooling are more important to adult welfare than property inheritance. Significant gender inequality in consumption is evident, although it is almost entirely explicable in terms of factors such as education and (non-land) inheritance. There are a number of other pronounced gender differences, with intergenerational linkages coming through the mother rather than the father
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  • 44
    Language: English
    Pages: Online-Ressource (52 p)
    Edition: 2011 World Bank eLibrary
    Parallel Title: Iimi, Atsushi The impacts of metering and climate conditions on residential electricity demand
    Abstract: Albania is among the most vulnerable countries to external energy shocks and climatic conditions, because of its high dependency on hydropower for electricity. Given highly volatile international energy prices and expected global warming, it is becoming increasingly important to manage the demand for electricity. However, the country has long been faced with a significant problem of electricity metering. About one-third of total energy is lost for technical and nontechnical reasons. This paper estimates the residential demand function by applying a two-stage system equation method for an endogenous censored variable, because the lack of metering makes the electricity consumption partially observable for the econometrician. It is found that metering is important to curb non-essential electricity use by households. The electricity demand could also be reduced by raising the first block rate and lowering the second block rate and the threshold between the two blocks. In addition, weather conditions and home appliance ownership would affect the demand for electricity. But the latter looks more influential than the former
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  • 45
    Language: English
    Pages: Online-Ressource (52 p)
    Edition: 2011 World Bank eLibrary
    Parallel Title: Ravallion, Martin The two poverty enlightenments
    Abstract: Word searches of Google's library of digitized books suggest that there have been two “Poverty Enlightenments” since 1700, one near the end of the 18th century and the second near the end of the 20th. The historical literature suggests that only the second came with a widespread belief that poverty could and should be eliminated. After the first Poverty Enlightenment, references to “poverty” (as a percentage of all words) were on a trend decline until 1960, after which there was a striking resurgence of interest, which came with rising attention to economics and more frequent references to both general and specific policies relevant to poverty. Developing countries also became more prominent in the literature. Both Enlightenments came with greater attention to human rights. The written record reflects the push-back against government intervention and the retreat from leftist economics and politics since the late 1970s. Although many debates from 200 years ago continue today, there is little sign that the modern revival of the classical 19th century views on the limitations of government has come with a revival of the complacency about poverty that was common early in that century
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  • 46
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (22 p)
    Edition: 2011 World Bank eLibrary
    Parallel Title: Ravallion, Martin On multidimensional indices of poverty
    Abstract: There has been a growing interest in what have come to be termed "multidimensional indices of poverty." Advocates for these new indices correctly point out that command over market goods is not all that matters to peoples' well-being, and that other factors need to be considered when quantifying the extent of poverty and informing policy making for fighting poverty. However, the author argues that there are two poorly understood issues in assessing these indices. First, does one believe that any single index can ever be a sufficient statistic for poverty assessments? Second, when aggregation is called for, should it be done in the space of "attainments," using prices when appropriate, or that of "deprivations," using weights set by the analyst? The paper argues that the goal for future poverty monitoring efforts should be to develop a credible set of multiple indices, spanning the dimensions of poverty most relevant to a specific setting, rather than a single multidimensional index. When weights are needed, they shouldn't be set solely by an analyst measuring poverty. Rather, they should be, as much as possible, consistent with well-informed choices made by poor people
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  • 47
    Language: English
    Pages: Online-Ressource (78 p)
    Edition: 2011 World Bank eLibrary
    Parallel Title: Benamghar, Radia Efficiency in Public Procurement in Rural Road Projects of Nepal
    Abstract: Transport infrastructure is important for economic growth. In Nepal, about 20 percent of rural residents have to spend more than 3 hours to go to the nearest marketplace or agriculture center. Public procurement is an important policy instrument to use resources wisely and efficiently. This paper analyzes a series of policy questions, from procurement design to contract management and project quality assurance. The paper finds that the competition effect is significant. To enhance competition, bidding documents can be distributed free of charge on a website. The bid preparation period can be extended. Security issues are also found to be particularly important to avoid unnecessary cost overruns and project delays. Heavy rainfall and the bidders' low-balling strategy are identified as other factors of project delays. The quality of roads would deteriorate with not only security incidence but also time, precipitation and traffic volume
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  • 48
    Language: English
    Pages: Online-Ressource (13 p)
    Edition: 2011 World Bank eLibrary
    Parallel Title: Ravallion, Martin On the Implications of Essential Heterogeneity for Estimating Causal Impacts Using Social Experiments
    Abstract: Randomized control trials are sometimes used to estimate the aggregate benefit from some policy or program. To address the potential bias from selective take-up, the randomization is used as an instrumental variable for treatment status. Does this (popular) method of impact evaluation help reduce the bias when take-up depends on unobserved gains from take up? Such "essential heterogeneity" is known to invalidate the instrumental variable estimator of mean causal impact, though one still obtains another parameter of interest, namely mean impact amongst those treated. However, if essential heterogeneity is the only problem then the naïve (ordinary least squares) estimator also delivers this parameter; there is no gain from using randomization as an instrumental variable. On allowing the heterogeneity to also alter counterfactual outcomes, the instrumental variable estimator may well be more biased for mean impact than the naïve estimator. Examples are given for various stylized programs, including a training program that attenuates the gains from higher latent ability, an insurance program that compensates for losses from unobserved risky behavior and a microcredit scheme that attenuates the gains from access to other sources of credit. Practitioners need to think carefully about the likely behavioral responses to social experiments in each context
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  • 49
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (40 p)
    Edition: 2011 World Bank eLibrary
    Parallel Title: Ravallion, Martin Knowledgeable Bankers?
    Abstract: Development impact calls for knowledgeable development practitioners. How then do the operational staff of the largest development agency value and use its research? Is there an incentive to learn and does it translate into useful knowledge? A new survey reveals that the bulk of the World Bank's senior staff value the Bank's research for their work, and most come to know it well, although a sizable minority have difficulty accessing research to serve their needs. Another group sees little value to research for their work and does not bother to find out about it. Higher perceived value is reflected in greater knowledge about research, though there are frictions in this process. Staff working on poverty, human development and economic policy tend to value and use research more than staff in the more traditional sectors of Bank lending-agriculture and rural development; the latter sectors account for 45 percent of lending but only 15 percent of staff highly familiar with Bank research. Without stronger incentives for learning and more relevant and accessible research products, it appears likely that this lag in demand for research by the traditional sectors will persist
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  • 50
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (39 p)
    Edition: 2010 World Bank eLibrary
    Parallel Title: Ravallion, Martin Mashup indices of development
    Abstract: Countries are increasingly being ranked by some new "mashup index of development," defined as a composite index for which existing theory and practice provides little or no guidance to its design. Thus the index has an unusually large number of moving parts, which the producer is essentially free to set. The parsimony of these indices is often appealing - collapsing multiple dimensions into just one, yielding unambiguous country rankings, and possibly reducing concerns about measurement errors in the component series. But the meaning, interpretation and robustness of these indices are often unclear. If they are to be properly understood and used, more attention needs to be given to their conceptual foundations, the tradeoffs they embody, the contextual factors relevant to country performance, and the sensitivity of the implied rankings to changing the data and weights. In short, clearer warning signs are needed for users. But even then, nagging doubts remain about the value-added of mashup indices, and their policy relevance, relative to the "dashboard" alternative of monitoring the components separately. Future progress in devising useful new composite indices of development will require that theory catches up with measurement practice
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  • 51
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (38 p)
    Edition: 2010 World Bank eLibrary
    Parallel Title: Ravallion, Martin Poverty Lines Across the World
    Abstract: National poverty lines vary greatly across the world, from under
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  • 52
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (54 p)
    Edition: 2010 World Bank eLibrary
    Parallel Title: Wagstaff, Adam The World Bank's Publication Record
    Abstract: The World Bank has produced a huge volume of books and papers on development - 20,000 publications spanning decades, but growing appreciably since 1990. This paper finds evidence that many of these publications have influenced development thinking, as indicated by the citations found using Google Scholar and in bibliographic data bases. However, the authors also find that a non-negligible share of the Bank's publications have received no citations, suggesting that they have had little scholarly influence, though they may well have had influence on non-academic audiences. Individually-authored journal articles have been the main channel for scholarly influence. The volume of the Bank's research output on development is greater than that of any of the comparator institutions identified, including other international agencies and the top universities in economics. The bibliometric indicators of the quality and influence of the Bank's portfolio of scholarly publications are on a par with, or better than, most of the top universities
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  • 53
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (32 p)
    Edition: 2010 World Bank eLibrary
    Parallel Title: Ravallion, Martin Troubling tradeoffs in the Human Development Index
    Abstract: The 20th Human Development Report has introduced a new version of its famous Human Development Index (HDI). The HDI aggregates country-level attainments in life expectancy, schooling and income per capita. Each year's rankings by the HDI are keenly watched in both rich and poor countries. The main change in the 2010 HDI is that it relaxes its past assumption of perfect substitutability between its three components. However, most users will probably not realize that the new HDI has also greatly reduced its implicit weight on longevity in poor countries, relative to rich ones. A poor country experiencing falling life expectancy due to (say) a collapse in its health-care system could still see its HDI improve with even a small rate of economic growth. By contrast, the new HDI's valuations of the gains from extra schooling seem unreasonably high - many times greater than the economic returns to schooling. These troubling tradeoffs could have been largely avoided using a different aggregation function for the HDI, while still allowing imperfect substitution. While some difficult value judgments are faced in constructing and assessing the HDI, making its assumed tradeoffs more explicit would be a welcome step
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  • 54
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (61 p)
    Edition: 2010 World Bank eLibrary
    Parallel Title: Iimi, Atsushi Price Elasticity of Nonresidential Demand for Energy in South Eastern Europe
    Abstract: Recent volatility in international energy prices has revealed South Eastern Europe as one of the most vulnerable regions to such external shocks. Under the current global economic downturn, in addition, the region’s energy-intensive industries are faced with the challenge of the weakening demand for their outputs. This paper casts light on the relationship between the price and the demand for energy. Based on firm level data, it is shown that the price elasticity of industrial energy demand is about -0.4 on average. There are a number of data issues to interpret the results correctly. But Albania and Macedonia are systematically found to have a relatively elastic demand for energy on the order of -0.7 to -0.8. In these countries, therefore, price adjustments would be one of the effective policy options to balance demand with supply during the period of energy crisis. In other countries, the demand response would be much weaker; pricing cannot be the only solution. Other policy measures, such as facilitation of firm energy efficiency and improvements in the quality of infrastructure services, may be required
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  • 55
    Language: English
    Pages: Online-Ressource (29 p)
    Edition: 2010 World Bank eLibrary
    Parallel Title: Ravallion, Martin Price Levels and Economic Growth
    Abstract: To the surprise of many observers, the 2005 International Comparison Program (ICP) found substantially higher purchasing power parity (PPP) rates, relative to market exchange rates, in most developing countries. For example, China’s price level index - the ratio of its PPP to its exchange rate - doubled between the 1993 and 2005 rounds of the ICP. The paper tries to explain the observed changes in PPPs. Consistently with the Balassa-Samuelson model, evidence is found of a "dynamic Penn effect," whereby more rapidly growing economies experience steeper increases in their price level index. This effect has been even stronger for initially poorer countries. Thus the widely-observed static (cross-sectional) Penn effect has been attenuated over time. On also taking account of exchange rate changes and prior participation in the ICP’s price surveys, 99 percent of the variance in the observed changes in PPPs is explicable. Using a nested test, the World Bank’s longstanding method of extrapolating PPPs between ICP rounds using inflation rates alone is out performed by the model proposed in this paper
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  • 56
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (22 p)
    Edition: 2010 World Bank eLibrary
    Parallel Title: Wagstaff, Adam On Measuring Scientific Influence
    Abstract: Bibliometric measures based on citations are widely used in assessing the scientific publication records of authors, institutions and journals. Yet currently favored measures lack a clear conceptual foundation and are known to have counter-intuitive properties. The authors propose a new approach that is grounded on a theoretical "influence function," representing explicit prior beliefs about how citations reflect influence. They provide conditions for robust qualitative comparisons of influence - conditions that can be implemented using readily-available data. An example is provided using the economics publication records of selected universities and the World Bank
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  • 57
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (46 p)
    Edition: 2009 World Bank eLibrary
    Parallel Title: Ravallion, Martin Why Don't We See Poverty Convergence?
    Abstract: We are not seeing faster progress against poverty amongst the poorest developing countries. Yet this is implied by widely accepted "stylized facts" about the development process. The paper tries to explain what is missing from those stylized facts. Consistently with models of economic growth incorporating borrowing constraints, the analysis of a new data set for 100 developing countries reveals an adverse effect on consumption growth of high initial poverty incidence at a given initial mean. A high incidence of poverty also entails a lower subsequent rate of progress against poverty at any given growth rate (and poor countries tend to experience less steep increases in poverty during recessions). Thus, for many poor countries, the growth advantage of starting out with a low mean ("conditional convergence") is lost due to their high poverty rates. The size of the middle class - measured by developing-country, not Western, standards - appears to be an important channel linking current poverty to subsequent growth and poverty reduction. However, high current inequality is only a handicap if it entails a high incidence of poverty relative to mean consumption
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  • 58
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (39 p)
    Edition: 2009 World Bank eLibrary
    Parallel Title: Ravallion, Martin A Comparative Perspective On Poverty Reduction in Brazil, China and India
    Abstract: Brazil, China and India have seen falling poverty in their reform periods, but to varying degrees and for different reasons. History left China with favorable initial conditions for rapid poverty reduction through market-led economic growth; at the outset of the reform process there were ample distortions to remove and relatively low inequality in access to the opportunities so created, though inequality has risen markedly since. By concentrating such opportunities in the hands of the better off, prior inequalities in various dimensions handicapped poverty reduction in both Brazil and India. Brazil's recent success in complementing market-oriented reforms with progressive social policies has helped it achieve more rapid poverty reduction than India, although Brazil has been less successful in terms of economic growth. In the wake of its steep rise in inequality, China might learn from Brazil's success with such policies. India needs to do more to assure that poor people are able to participate in both the country's growth process and its social policies; here there are lessons from both China and Brazil. All three countries have learned how important macroeconomic stability is to poverty reduction
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  • 59
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (35 p)
    Edition: 2009 World Bank eLibrary
    Parallel Title: Ravallion, Martin Do Poorer Countries Have Less Capacity for Redistribution?
    Abstract: Development aid and policy discussions often assume that poorer countries have less internal capacity for redistribution in favor of their poorest citizens. The assumption is tested using data for 90 developing countries. The capacity for redistribution is measured by the marginal tax rate on those who are not poor by rich-country standards that is needed to cover the poverty gap or to provide a poverty-level of basic income, judged by developing-country standards. For most (but not all) countries with annual consumption per capita under
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  • 60
    Language: English
    Pages: Online-Ressource (45 p)
    Edition: 2009 World Bank eLibrary
    Parallel Title: Datt, Gaurav Has India's Economic Growth Become More Pro-Poor in the Wake of Economic Reforms ?
    Abstract: The extent to which India's poor have benefited from the country’s economic growth has long been debated. This paper revisits the issues using a new series of consumption-based poverty measures spanning 50 years, and including a 15-year period after economic reforms began in earnest in the early 1990s. Growth has tended to reduce poverty, including in the post-reform period. There is no robust evidence that the responsiveness of poverty to growth has increased, or decreased, since the reforms began, although there are signs of rising inequality. The impact of growth is higher for poverty measures that reflect distribution below the poverty line, and it is higher using growth rates calculated from household surveys than national accounts. The urban-rural pattern of growth matters to the pace of poverty reduction. However, in marked contrast to the pre-reform period, the post-reform process of urban economic growth has brought significant gains to the rural poor as well as the urban poor
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  • 61
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (33 p)
    Edition: 2009 World Bank eLibrary
    Parallel Title: Montalvo, Jose G The Pattern of Growth and Poverty Reduction in China
    Abstract: China has seen a huge reduction in the incidence of extreme poverty since the economic reforms that started in the late 1970s. Yet, the growth process has been highly uneven across sectors and regions. The paper tests whether the pattern of China´s growth mattered to poverty reduction using a new provincial panel data set constructed for this purpose. The econometric tests support the view that the primary sector (mainly agriculture) has been the main driving force in poverty reduction over the period since 1980. It was the sectoral unevenness in the growth process, rather than its geographic unevenness, that handicapped poverty reduction. Yes, China has had great success in reducing poverty through economic growth, but this happened despite the unevenness in its sectoral pattern of growth. The idea of a trade-off between these sectors in terms of overall progress against poverty in China turns out to be a moot point, given how little evidence there is of any poverty impact of non-primary sector growth, controlling for primary-sector growth. While the non-primary sectors were key drivers of aggregate growth, it was the primary sector that did the heavy lifting against poverty
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  • 62
    Language: English
    Pages: Online-Ressource (40 p)
    Edition: 2009 World Bank eLibrary
    Parallel Title: Estache, Antonio Procurement in Infrastructure
    Abstract: Infrastructure has particular challenges in public procurement, because it is highly complex and customized and often requires economic, political and social considerations from a long time horizon. To deliver public infrastructure services to citizens or taxpayers, there are a series of decisions that governments have to make. The paper provides a minimum package of important economic theories that could guide governments to wise decision-making at each stage. Theory suggests that in general it would be a good option to contract out infrastructure to the private sector under high-powered incentive mechanisms, such as fixed-price contracts. However, this holds under certain conditions. Theory also shows that ownership should be aligned with the ultimate responsibility for or objective of infrastructure provision. Public and private ownership have different advantages and can deal with different problems. It is also shown that it would be a better option to integrate more than one public task (for example, investment and operation) into the same ownership, whether public or private, if they exhibit positive externalities
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  • 63
    Language: English
    Pages: Online-Ressource (1 online resource (26 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Iimi, Atsushi (UN)Bundling Public-Private Partnership Contracts In The Water Sector
    Keywords: Competitive Bidding ; Industry ; Local Water ; Municipal Water ; Private Participation ; Sewerage Services ; Town Water Supply and Sanitation ; Urban Water Supply and Sanitation ; Water Conservation ; Water Districts ; Water Resources ; Water Sector ; Water Services ; Water Supply ; Water Supply and Sanitation ; Water Supply and Sanitation Governance and Institutions ; Water Utilities ; Water and Industry ; Competitive Bidding ; Industry ; Local Water ; Municipal Water ; Private Participation ; Sewerage Services ; Town Water Supply and Sanitation ; Urban Water Supply and Sanitation ; Water Conservation ; Water Districts ; Water Resources ; Water Sector ; Water Services ; Water Supply ; Water Supply and Sanitation ; Water Supply and Sanitation Governance and Institutions ; Water Utilities ; Water and Industry ; Competitive Bidding ; Industry ; Local Water ; Municipal Water ; Private Participation ; Sewerage Services ; Town Water Supply and Sanitation ; Urban Water Supply and Sanitation ; Water Conservation ; Water Districts ; Water Resources ; Water Sector ; Water Services ; Water Supply ; Water Supply and Sanitation ; Water Supply and Sanitation Governance and Institutions ; Water Utilities ; Water and Industry
    Abstract: In public-private partnership transactions in the water sector, one of the alleged concerns is that there is little market competition at the auction stage. This paper casts light on a tradeoff between the competition effect at the auction level and potential economies of scale in service operation. If the authorities design a large-scale public-private partnership water transaction, it is expected to exploit operational scale economies. But the competition effect may have to be sacrificed. The paper shows a risk that the selection of the contract size could be a very restrictive condition that excludes many prospective bidders. Moreover, the paper quantifies the optimal size of public-private partnership contracts in the sector by estimating a cost function. The analysis shows that economies of scale exist but tend to diminish quickly as production increases. When the amount of water sold exceeds about 40 million m3, the statistical significance of economies of scale disappears. And there is no rationale for auctioning the water operation with annual water delivery of more than 400 million m3 under a single contract
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  • 64
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (1 online resource (42 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin Dollar A Day Revisited
    Keywords: Absolute poverty ; Global poverty ; International poverty line ; National poverty ; National poverty lines ; Poor ; Poor countries ; Poor person ; Poverty Reduction ; Poverty line ; Poverty measurement ; Rural Development ; Rural Poverty Reduction ; Absolute poverty ; Global poverty ; International poverty line ; National poverty ; National poverty lines ; Poor ; Poor countries ; Poor person ; Poverty Reduction ; Poverty line ; Poverty measurement ; Rural Development ; Rural Poverty Reduction ; Absolute poverty ; Global poverty ; International poverty line ; National poverty ; National poverty lines ; Poor ; Poor countries ; Poor person ; Poverty Reduction ; Poverty line ; Poverty measurement ; Rural Development ; Rural Poverty Reduction
    Abstract: The paper presents the first major update of the international "USD 1 a day" poverty line, first proposed in 1990 for measuring absolute poverty by the standards of the world's poorest countries. In a new data set of national poverty lines we find that a marked economic gradient only emerges when consumption per person is above about USD 2.00 a day at 2005 purchasing power parity. Below this, the average poverty line is USD 1.25, which we propose as the new international poverty line. Relative poverty appears to matter more to developing countries than has been thought. Our proposed schedule of relative poverty lines is bounded below by USD 1.25, and rises at a gradient of USD 1 in USD 3 when mean consumption is above USD 2.00 a day
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  • 65
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (1 online resource (31 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin Are There Lessons For Africa From China's Success Against Poverty?
    Keywords: Absolute Poverty ; Extreme Poverty ; Inequality ; National Poverty ; National Poverty Line ; Poor ; Poverty Line ; Poverty Rates ; Poverty Reduction ; Poverty Reduction ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction ; Smallholder Agriculture ; Absolute Poverty ; Extreme Poverty ; Inequality ; National Poverty ; National Poverty Line ; Poor ; Poverty Line ; Poverty Rates ; Poverty Reduction ; Poverty Reduction ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction ; Smallholder Agriculture ; Absolute Poverty ; Extreme Poverty ; Inequality ; National Poverty ; National Poverty Line ; Poor ; Poverty Line ; Poverty Rates ; Poverty Reduction ; Poverty Reduction ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction ; Smallholder Agriculture
    Abstract: At the outset of China's reform period, the country had a far higher poverty rate than for Africa as a whole. Within five years that was no longer true. This paper tries to explain how China escaped from a situation in which extreme poverty persisted due to failed and unpopular policies. While acknowledging that Africa faces constraints that China did not, and that context matters, two lessons stand out. The first is the importance of productivity growth in smallholder agriculture, which will require both market-based incentives and public support. The second is the role played by strong leadership and a capable public administration at all levels of government
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  • 66
    Language: English
    Pages: Online-Ressource (1 online resource (24 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Estache, Antonio Bidder Asymmetry In Infrastructure Procurement
    Keywords: Affiliated ; Affiliated organizations ; Auction ; Auctions ; Bid ; Bidders ; Bidding ; Competition ; Debt Markets ; E-Business ; Finance and Financial Sector Development ; Government Procurement ; Infrastructure Economics ; Infrastructure Economics and Finance ; International development ; Investment and Investment Climate ; Macroeconomics and Economic Growth ; Markets and Market Access ; Private Sector Development ; Public disclosure ; Affiliated ; Affiliated organizations ; Auction ; Auctions ; Bid ; Bidders ; Bidding ; Competition ; Debt Markets ; E-Business ; Finance and Financial Sector Development ; Government Procurement ; Infrastructure Economics ; Infrastructure Economics and Finance ; International development ; Investment and Investment Climate ; Macroeconomics and Economic Growth ; Markets and Market Access ; Private Sector Development ; Public disclosure ; Affiliated ; Affiliated organizations ; Auction ; Auctions ; Bid ; Bidders ; Bidding ; Competition ; Debt Markets ; E-Business ; Finance and Financial Sector Development ; Government Procurement ; Infrastructure Economics ; Infrastructure Economics and Finance ; International development ; Investment and Investment Climate ; Macroeconomics and Economic Growth ; Markets and Market Access ; Private Sector Development ; Public disclosure
    Abstract: Asymmetric auctions are among the most rapidly growing areas in the auction literature. The potential benefits from improved auction efficiency are expected to be enormous in public procurement auctions related to official development projects. Entrant bidders are considered a key to enhance competition in an auction and break potential collusive arrangements among incumbent bidders. Asymmetric auction theory predicts that weak (fringe) bidders would bid more aggressively when they are faced with a strong (incumbent) opponent. Using official development assistance procurement data, this paper finds that in the major infrastructure sectors, entrants submitted systematically aggressive bids in the presence of an incumbent bidder. The findings also show that a high concentration of incumbents in an auction would harm auction efficiency, raising procurement costs. The results suggest that auctioneers should encourage fringe bidders to actively participate in the bidding process while maintaining the quality of the projects. This is conducive to enhancing competitive circumstances in public procurements and improving allocative efficiency
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  • 67
    Language: English
    Pages: Online-Ressource (1 online resource (44 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Estache, Antonio Procurement Efficiency For Infrastructure Development And Financial Needs Reassessed
    Keywords: Costs ; Debt Markets ; E-Business ; Economic Theory and Research ; Em ; Finance and Financial Sector Development ; Infrastructure ; Infrastructure Economics ; Infrastructure Economics and Finance ; Infrastructure development ; Infrastructure investment ; Infrastructure projects ; Investment and Investment Climate ; Investments ; Macroeconomics and Economic Growth ; Private Sector Development ; Public Sector Economics and Finance ; Road ; Roads ; Sanitation ; Transport ; Transport ; Transport Economics, Policy and Planning ; Costs ; Debt Markets ; E-Business ; Economic Theory and Research ; Em ; Finance and Financial Sector Development ; Infrastructure ; Infrastructure Economics ; Infrastructure Economics and Finance ; Infrastructure development ; Infrastructure investment ; Infrastructure projects ; Investment and Investment Climate ; Investments ; Macroeconomics and Economic Growth ; Private Sector Development ; Public Sector Economics and Finance ; Road ; Roads ; Sanitation ; Transport ; Transport ; Transport Economics, Policy and Planning ; Costs ; Debt Markets ; E-Business ; Economic Theory and Research ; Em ; Finance and Financial Sector Development ; Infrastructure ; Infrastructure Economics ; Infrastructure Economics and Finance ; Infrastructure development ; Infrastructure investment ; Infrastructure projects ; Investment and Investment Climate ; Investments ; Macroeconomics and Economic Growth ; Private Sector Development ; Public Sector Economics and Finance ; Road ; Roads ; Sanitation ; Transport ; Transport ; Transport Economics, Policy and Planning
    Abstract: Infrastructure is the engine for economic growth. The international donor community has spent about 70-100 billion U.S. dollars on infrastructure development in developing countries every year. However, it is arguable whether these financial resources are used efficiently, particularly whether the current infrastructure procurement prices are appropriate. Without doubt a key is competition to curb public procurement costs. This paper analyzes procurement data from multi and bilateral official development projects in three infrastructure sectors: roads, electricity, and water and sanitation. The findings show that the competition effect is underutilized. To take full advantage of competition, at least seven bidders are needed in the road and water sectors, while three may be enough in the power sector. The paper also shows that not only competition, but also auction design, especially lot division, is crucial for reducing unit costs of infrastructure. Based on the estimated efficient unit costs, the annual financial needs are estimated at approximately 360 billion U.S. dollars. By promoting competition, the developing world might be able to save at most 8.2 percent of total infrastructure development costs
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  • 68
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (1 online resource (27 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin On The Welfarist Rationale For Relative Poverty Lines
    Keywords: Armut ; Messung ; Theorie ; Malawi ; Absolute poverty ; Economic Theory and Research ; Food items ; Inequality ; Macroeconomics and Economic Growth ; Poor ; Poor people ; Poverty Lines ; Poverty Reduction ; Poverty gap ; Poverty measurement ; Pro-Poor Growth ; Risk sharing ; Rural ; Rural Development ; Rural Poverty Reduction ; Rural areas ; Absolute poverty ; Economic Theory and Research ; Food items ; Inequality ; Macroeconomics and Economic Growth ; Poor ; Poor people ; Poverty Lines ; Poverty Reduction ; Poverty gap ; Poverty measurement ; Pro-Poor Growth ; Risk sharing ; Rural ; Rural Development ; Rural Poverty Reduction ; Rural areas ; Absolute poverty ; Economic Theory and Research ; Food items ; Inequality ; Macroeconomics and Economic Growth ; Poor ; Poor people ; Poverty Lines ; Poverty Reduction ; Poverty gap ; Poverty measurement ; Pro-Poor Growth ; Risk sharing ; Rural ; Rural Development ; Rural Poverty Reduction ; Rural areas
    Abstract: The theory and evidence supporting a relativist approach to poverty measurement are critically reviewed. Various sources of welfare interdependence are identified, including the idea of "relative deprivation" as well other (positive and negative) welfare effects for poor people of belonging to a better-off group. An economic model combines informal risk sharing with the idea of a "positional good," and conditions are derived in which the relative deprivation effect dominates, implying a relative poverty measure. The paper then reviews the problems encountered in testing for welfare effects of relative deprivation and discusses the implications of micro evidence from Malawi. The results are consistent with the emphasis given to absolute level of living in development policy discussions. However, relative deprivation is still evident in the data from this poor but unequal country, and it is likely to become a more important factor as the country develops
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  • 69
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (1 online resource (35 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin Evaluation In The Practice of Development
    Keywords: Beneficiaries ; Counterfactual ; Economic Theory and Research ; Education ; Impact assessment ; Impact evaluation ; Infrastructure projects ; Intervention ; Learning ; Macroeconomics and Economic Growth ; Poverty Monitoring and Analysis ; Poverty Reduction ; Poverty outcomes ; Programs ; Science Education ; Science and Technology Development ; Scientific Research and Science Parks ; Targeting ; Tertiary Education ; Beneficiaries ; Counterfactual ; Economic Theory and Research ; Education ; Impact assessment ; Impact evaluation ; Infrastructure projects ; Intervention ; Learning ; Macroeconomics and Economic Growth ; Poverty Monitoring and Analysis ; Poverty Reduction ; Poverty outcomes ; Programs ; Science Education ; Science and Technology Development ; Scientific Research and Science Parks ; Targeting ; Tertiary Education ; Beneficiaries ; Counterfactual ; Economic Theory and Research ; Education ; Impact assessment ; Impact evaluation ; Infrastructure projects ; Intervention ; Learning ; Macroeconomics and Economic Growth ; Poverty Monitoring and Analysis ; Poverty Reduction ; Poverty outcomes ; Programs ; Science Education ; Science and Technology Development ; Scientific Research and Science Parks ; Targeting ; Tertiary Education
    Abstract: Knowledge about development effectiveness is constrained by two factors. First, the project staff in governments and international agencies who decide how much to invest in research on specific interventions are often not well informed about the returns to rigorous evaluation and (even when they are) cannot be expected to take full account of the external benefits to others from new knowledge. This leads to under-investment in evaluative research. Second, while standard methods of impact evaluation are useful, they often leave many questions about development effectiveness unanswered. The paper proposes ten steps for making evaluations more relevant to the needs of practitioners. It is argued that more attention needs to be given to identifying policy-relevant questions (including the case for intervention); that a broader approach should be taken to the problems of internal validity; and that the problems of external validity (including scaling up) merit more attention
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  • 70
    Language: English
    Pages: Online-Ressource (1 online resource (20 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Chen, Shaohua China Is Poorer Than We Thought, But No Less Successful In The Fight Against Poverty
    Keywords: Extreme poverty ; Global poverty ; Incidence of poverty ; Income ; Income poverty ; International poverty line ; National poverty ; National poverty lines ; Poor ; Poverty Reduction ; Poverty measures ; Rural Development ; Rural Poverty Reduction ; Extreme poverty ; Global poverty ; Incidence of poverty ; Income ; Income poverty ; International poverty line ; National poverty ; National poverty lines ; Poor ; Poverty Reduction ; Poverty measures ; Rural Development ; Rural Poverty Reduction ; Extreme poverty ; Global poverty ; Incidence of poverty ; Income ; Income poverty ; International poverty line ; National poverty ; National poverty lines ; Poor ; Poverty Reduction ; Poverty measures ; Rural Development ; Rural Poverty Reduction
    Abstract: In 2005, China participated for the first time in the International Comparison Program (ICP), which collects primary data across countries on the prices for an internationally comparable list of goods and services. This paper examines the implications of the new Purchasing Power Parity (PPP) rate (derived by the ICP) for China's poverty rate (by international standards) and how it has changed over time. We provide estimates with and without adjustment for a likely sampling bias in the ICP data. Using an international poverty line of USD 1.25 at 2005 PPP, we find a substantially higher poverty rate for China than past estimates, with about 15% of the population living in consumption poverty, implying about 130 million more poor by this standard. The income poverty rate in 2005 is 10%, implying about 65 million more people living in poverty. However, the new ICP data suggest an even larger reduction in the number of poor since 1981
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  • 71
    Language: English
    Pages: Online-Ressource (1 online resource (44 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ferreira, Francisco H.G Global Poverty And Inequality
    Keywords: Developing countries ; Distributional change ; Equity and Development ; Growth elasticity ; Household surveys ; Income ; Income inequality ; Inequality ; Inequality ; Mean income ; Policy ReseaRch ; Poverty Impact Evaluation ; Poverty Reduction ; Poverty reduction ; Pro-Poor Growth ; Services and Transfers to Poor ; Developing countries ; Distributional change ; Equity and Development ; Growth elasticity ; Household surveys ; Income ; Income inequality ; Inequality ; Inequality ; Mean income ; Policy ReseaRch ; Poverty Impact Evaluation ; Poverty Reduction ; Poverty reduction ; Pro-Poor Growth ; Services and Transfers to Poor ; Developing countries ; Distributional change ; Equity and Development ; Growth elasticity ; Household surveys ; Income ; Income inequality ; Inequality ; Inequality ; Mean income ; Policy ReseaRch ; Poverty Impact Evaluation ; Poverty Reduction ; Poverty reduction ; Pro-Poor Growth ; Services and Transfers to Poor
    Abstract: Drawing on a compilation of data from household surveys representing 130 countries, many over a period of 25 years, this paper reviews the evidence on levels and recent trends in global poverty and income inequality. It documents the negative correlations between both poverty and inequality indices, on the one hand, and mean income per capita on the other. It points to the dominant role of Asia in accounting for the bulk of the world's poverty reduction since 1981. The evolution of global inequality in the last decades is also described, with special emphasis on the different trends of inequality within and between countries. The statistical relationships between growth, inequality and poverty are discussed, as is the correlation between inequality and the growth elasticity of poverty reduction. Some of the recent literature on the drivers of distributional change in developing countries is also reviewed
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  • 72
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (1 online resource (30 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Estache, Antonio Joint Bidding In Infrastructure Procurement
    Keywords: Access to Markets ; Affiliated ; Affiliated organizations ; Auction ; Bidding ; Competition ; Competition policy ; Decentralization ; Finance and Financial Sector Development ; Foreign companies ; Foreign firms ; ICT Policy and Strategies ; Information and Communication Technologies ; International Economics & Trade ; Investment and Investment Climate ; Macroeconomics and Economic Growth ; Markets and Market Access ; Microfinance ; Public Sector Corruption and Anticorruption Measures ; Public disclosure ; Access to Markets ; Affiliated ; Affiliated organizations ; Auction ; Bidding ; Competition ; Competition policy ; Decentralization ; Finance and Financial Sector Development ; Foreign companies ; Foreign firms ; ICT Policy and Strategies ; Information and Communication Technologies ; International Economics & Trade ; Investment and Investment Climate ; Macroeconomics and Economic Growth ; Markets and Market Access ; Microfinance ; Public Sector Corruption and Anticorruption Measures ; Public disclosure ; Access to Markets ; Affiliated ; Affiliated organizations ; Auction ; Bidding ; Competition ; Competition policy ; Decentralization ; Finance and Financial Sector Development ; Foreign companies ; Foreign firms ; ICT Policy and Strategies ; Information and Communication Technologies ; International Economics & Trade ; Investment and Investment Climate ; Macroeconomics and Economic Growth ; Markets and Market Access ; Microfinance ; Public Sector Corruption and Anticorruption Measures ; Public disclosure
    Abstract: To utilize public resources efficiently, it is required to take full advantage of competition in public procurement auctions. Joint bidding practices are one of the possible ways of facilitating auction competition. In theory, there are pros and cons. It may enable firms to pool their financial and experiential resources and remove barriers to entry. On the other hand, it may reduce the degree of competition and can be used as a cover for collusive behavior. The paper empirically addresses whether joint bidding is pro- or anti-competitive in Official Development Assistance procurement auctions for infrastructure projects. It reveals the possible risk of relying too much on a foreign bidding coalition and may suggest the necessity of overseeing it. The data reveal no strong evidence that joint bidding practices are compatible with competition policy, except for a few cases. In road procurements, coalitional bidding involving both local and foreign firms has been found pro-competitive. In the water and sewage sector, local joint bidding may be useful to draw out better offers from potential contractors. Joint bidding composed of only foreign companies is mostly considered anti-competitive
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  • 73
    Language: English
    Pages: Online-Ressource (1 online resource (30 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Estache, Antonio Multidimensionality And Renegotiation
    Keywords: Costs ; Debt Markets ; Diesel ; Finance and Financial Sector Development ; Infrastructure ; Infrastructure Economics ; Infrastructure Economics and Finance ; Infrastructure development ; Policies ; Railway ; Railway industry ; Road ; Transparency ; Transport ; Transport ; Transport Economics, Policy and Planning ; Costs ; Debt Markets ; Diesel ; Finance and Financial Sector Development ; Infrastructure ; Infrastructure Economics ; Infrastructure Economics and Finance ; Infrastructure development ; Policies ; Railway ; Railway industry ; Road ; Transparency ; Transport ; Transport ; Transport Economics, Policy and Planning ; Costs ; Debt Markets ; Diesel ; Finance and Financial Sector Development ; Infrastructure ; Infrastructure Economics ; Infrastructure Economics and Finance ; Infrastructure development ; Policies ; Railway ; Railway industry ; Road ; Transparency ; Transport ; Transport ; Transport Economics, Policy and Planning
    Abstract: Multidimensional auctions are a natural and practical solution when auctioneers pursue more than one objective in their public-private-partnership transactions. However, it is difficult to achieve auction efficiency with multiple award criteria. Using auction data from road and railway concessions in Latin America, the probability of renegotiation this paper estimates by a two-stage least squares technique with a binary selection in the first-stage regression. The findings show that auctioneers tend to adopt the multidimensional format when the need for social considerations, such as alleviation of unemployment, is high. This implies that such political considerations could hinder efficiency and transparency in auctions. The analysis also shows that the renegotiation risk in infrastructure concessions increases when multidimensional auctions are used. Rather, good governance, particularly anti-corruption policies, can mitigate the renegotiation problem
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  • 74
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (1 online resource (23 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin Bailing Out The World's Poorest
    Keywords: Economic growth ; Financial crisis ; Income ; Income support ; Poor ; Poverty Reduction ; Poverty line ; Rural Development ; Rural Poverty Reduction ; Safety Nets and Transfers ; Safety net ; Safety net programs ; Services and Transfers to Poor ; Social Protections and Labor ; Social policy ; Social protection ; Economic growth ; Financial crisis ; Income ; Income support ; Poor ; Poverty Reduction ; Poverty line ; Rural Development ; Rural Poverty Reduction ; Safety Nets and Transfers ; Safety net ; Safety net programs ; Services and Transfers to Poor ; Social Protections and Labor ; Social policy ; Social protection ; Economic growth ; Financial crisis ; Income ; Income support ; Poor ; Poverty Reduction ; Poverty line ; Rural Development ; Rural Poverty Reduction ; Safety Nets and Transfers ; Safety net ; Safety net programs ; Services and Transfers to Poor ; Social Protections and Labor ; Social policy ; Social protection
    Abstract: While the 2008 financial crisis is global in nature, it is likely to have heterogeneous welfare impacts within the developing world, with some countries, and some people, more vulnerable than others. It also threatens to have lasting impacts for some of those affected, notably through the nutrition and schooling of children in poor families. These features point to the need for a differentiated social policy response, aiming to provide rapid income support to those in most need, while preserving the key physical and human assets of poor people and their communities. The paper points out some mistakes in past crisis responses and identifies key design features for safety net programs that can help compensate for the likely welfare losses in the short-term while also promoting longer-term recovery
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  • 75
    Language: English
    Pages: Online-Ressource (1 online resource (24 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Iimi, Atsushi Effects of improving infrastructure quality on business costs
    Keywords: Communities & Human Settlements ; Driving ; Elasticity ; Infrastructure Economics ; Infrastructure Economics and Finance ; Infrastructure development ; Infrastructure investment ; Private Participation in Infrastructure ; Private Sector Development ; Road ; Road quality ; Road sector ; Roads ; Town Water Supply and Sanitation ; Transport ; Transport Economics, Policy and Planning ; Transportation ; Transportation costs ; Urban Slums Upgrading ; Water Supply and Sanitation ; Communities & Human Settlements ; Driving ; Elasticity ; Infrastructure Economics ; Infrastructure Economics and Finance ; Infrastructure development ; Infrastructure investment ; Private Participation in Infrastructure ; Private Sector Development ; Road ; Road quality ; Road sector ; Roads ; Town Water Supply and Sanitation ; Transport ; Transport Economics, Policy and Planning ; Transportation ; Transportation costs ; Urban Slums Upgrading ; Water Supply and Sanitation ; Communities & Human Settlements ; Driving ; Elasticity ; Infrastructure Economics ; Infrastructure Economics and Finance ; Infrastructure development ; Infrastructure investment ; Private Participation in Infrastructure ; Private Sector Development ; Road ; Road quality ; Road sector ; Roads ; Town Water Supply and Sanitation ; Transport ; Transport Economics, Policy and Planning ; Transportation ; Transportation costs ; Urban Slums Upgrading ; Water Supply and Sanitation
    Abstract: Economic development is affected by infrastructure services in both volume and quality terms. However, the quality of infrastructure is relatively difficult to measure and assess. The current paper, using firm-level data collected by a business environment assessment survey in 26 countries in Europe and Central Asia, estimates the marginal impacts on firm costs of infrastructure quality. The results suggest that the reliability or continuity of services is important for business performance. Firm costs significantly increase when electricity outages occur more frequently and the average outage duration becomes longer. Similarly, increased hours of water supply suspensions also reduce firms' competitiveness. In these countries, it is found that the total benefit for the economy from eliminating the existing electricity outages ranges from 0.5 to 6 percent of gross domestic product. If all water suspensions are removed, the economy could receive a gain of about 0.5 to 2 percent of gross domestic product. By contrast, the quality of telecommunications services seems to have no significant impact
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  • 76
    Language: English
    Pages: Online-Ressource (1 online resource (43 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Iimi, Atsushi Price Structure And Network Externalities In The Telecommunications Industry
    Keywords: Access to Markets ; Data ; Debt Markets ; E-Business ; Economic Theory and Research ; Electricity ; Emerging Markets ; Fax ; Finance and Financial Sector Development ; Infrastructure Development ; International Economics & Trade ; International Telecommunication ; Macroeconomics and Economic Growth ; Markets and Market Access ; Mobile Phone ; Mobile Phone Subscribers ; Mobile Telephone ; Network ; Penetration Rate ; Private Sector Development ; Telecommunications Infrastructure ; Access to Markets ; Data ; Debt Markets ; E-Business ; Economic Theory and Research ; Electricity ; Emerging Markets ; Fax ; Finance and Financial Sector Development ; Infrastructure Development ; International Economics & Trade ; International Telecommunication ; Macroeconomics and Economic Growth ; Markets and Market Access ; Mobile Phone ; Mobile Phone Subscribers ; Mobile Telephone ; Network ; Penetration Rate ; Private Sector Development ; Telecommunications Infrastructure ; Access to Markets ; Data ; Debt Markets ; E-Business ; Economic Theory and Research ; Electricity ; Emerging Markets ; Fax ; Finance and Financial Sector Development ; Infrastructure Development ; International Economics & Trade ; International Telecommunication ; Macroeconomics and Economic Growth ; Markets and Market Access ; Mobile Phone ; Mobile Phone Subscribers ; Mobile Telephone ; Network ; Penetration Rate ; Private Sector Development ; Telecommunications Infrastructure
    Abstract: Many developing countries have experienced significant developments in their telecommunications network. Countries in Africa are no exception to this. The paper examines what factor facilitates most network expansion using micro data from 45 fixed-line and mobile telephone operators in 18 African countries. In theory the telecommunications sector has two sector-specific characteristics: network externalities and discriminatory pricing. It finds that many telephone operators in the region use peak and off-peak prices and termination-based price discrimination, but are less likely to rely on strategic fee schedules such as tie-in arrangements. The estimated demand function based on a discreet consumer choice model indicates that termination-based discriminatory pricing can facilitate network expansion. It also shows that the implied price-cost margins are significantly high. Thus, price liberalization could be conducive to development of the telecommunications network led by the private sector. Some countries in Africa are still imposing certain price restrictions. But more important, it remains a policy issue how the authorities should ensure reciprocal access between operators at reasonable cost
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  • 77
    Language: English
    Pages: Online-Ressource (1 online resource (48 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Sangraula, Prem New Evidence On The Urbanization of Global Poverty
    Keywords: Absolute Poverty ; Agricultural Production ; Economic Growth ; Global Poverty ; Health, Nutrition and Population ; Income ; International Poverty Lines ; Local Poverty Lines ; Measures ; National Poverty ; Poor ; Poor Living ; Population Policies ; Poverty Reduction ; Rural Development ; Rural Poverty Reduction ; Absolute Poverty ; Agricultural Production ; Economic Growth ; Global Poverty ; Health, Nutrition and Population ; Income ; International Poverty Lines ; Local Poverty Lines ; Measures ; National Poverty ; Poor ; Poor Living ; Population Policies ; Poverty Reduction ; Rural Development ; Rural Poverty Reduction ; Absolute Poverty ; Agricultural Production ; Economic Growth ; Global Poverty ; Health, Nutrition and Population ; Income ; International Poverty Lines ; Local Poverty Lines ; Measures ; National Poverty ; Poor ; Poor Living ; Population Policies ; Poverty Reduction ; Rural Development ; Rural Poverty Reduction
    Abstract: The authors provide new evidence on the extent to which absolute poverty has urbanized in the developing world, and the role that population urbanization has played in overall poverty reduction. They find that one-quarter of the world's consumption poor live in urban areas and that the proportion has been rising over time. By fostering economic growth, urbanization helped reduce absolute poverty in the aggregate but did little for urban poverty. Over 1993-2002, the count of the
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  • 78
    Language: English
    Pages: Online-Ressource (1 online resource (42 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Lambert, Sylvie A Micro-Decomposition Analysis of The Macroeconomic Determinants of Human Development
    Keywords: Curriculum ; Education ; Education for All ; Enrollment ; Enrollment rate ; Gender gap ; Gender of teachers ; Girls ; Health, Nutrition and Population ; Human Development ; Inequality ; Literacy ; Population Policies ; Poverty Reduction ; Primary Education ; Rural Development ; Rural Poverty Reduction ; Schooling ; Schools ; Curriculum ; Education ; Education for All ; Enrollment ; Enrollment rate ; Gender gap ; Gender of teachers ; Girls ; Health, Nutrition and Population ; Human Development ; Inequality ; Literacy ; Population Policies ; Poverty Reduction ; Primary Education ; Rural Development ; Rural Poverty Reduction ; Schooling ; Schools ; Curriculum ; Education ; Education for All ; Enrollment ; Enrollment rate ; Gender gap ; Gender of teachers ; Girls ; Health, Nutrition and Population ; Human Development ; Inequality ; Literacy ; Population Policies ; Poverty Reduction ; Primary Education ; Rural Development ; Rural Poverty Reduction ; Schooling ; Schools
    Abstract: This paper shows how differences in aggregate human development outcomes over time and space can be additively decomposed into a pure economic-growth component, a component attributed to differences in the distribution of income, and components attributed to "non-income" factors and differences in the model linking outcomes to income or non-income characteristics. The income effect at the micro level is modeled non-parametrically, so as to flexibly reflect distributional changes. The paper illustrates the decomposition using data for Morocco and Vietnam, and the results offer some surprising insights into the observed aggregate gains in schooling attainments. A user friendly STATA program is available to implement the method in other settings
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  • 79
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (1 online resource (34 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin How Relevant Is Targeting To The Success of An Antipoverty Program ?
    Keywords: Administrative Costs ; Cash Transfers ; Counterfactual ; Household Income ; Political Economy ; Political Support ; Poor ; Poverty Impact Evaluation ; Poverty Monitoring and Analysis ; Poverty Reduction ; Poverty Reduction ; Public Spending ; Services and Transfers to Poor ; Targeting ; Administrative Costs ; Cash Transfers ; Counterfactual ; Household Income ; Political Economy ; Political Support ; Poor ; Poverty Impact Evaluation ; Poverty Monitoring and Analysis ; Poverty Reduction ; Poverty Reduction ; Public Spending ; Services and Transfers to Poor ; Targeting ; Administrative Costs ; Cash Transfers ; Counterfactual ; Household Income ; Political Economy ; Political Support ; Poor ; Poverty Impact Evaluation ; Poverty Monitoring and Analysis ; Poverty Reduction ; Poverty Reduction ; Public Spending ; Services and Transfers to Poor ; Targeting
    Abstract: Policy-oriented discussions often assume that "better targeting" implies larger impacts on poverty or more cost-effective interventions. The literature on the economics of targeting warns against that assumption, but evidence has been scarce. The paper begins with a critical review of the strengths and weaknesses of the targeting measures found in practice. It then exploits an unusually large micro data set for China to estimate aggregate and local-level poverty impacts of the country's main urban antipoverty program. Standard measures of targeting are found to be uninformative, or even deceptive, about impacts on poverty and cost-effectiveness in reducing poverty. In program design and evaluation, it would be better to focus directly on the program's outcomes for poor people than to rely on prevailing measures of targeting
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  • 80
    Language: English
    Pages: Online-Ressource (1 online resource (36 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Iimi, Atsushi What Is Missing Between Agricultural Growth And Infrastructure Development ?
    Keywords: Agriculture ; Capital Investment ; Crops and Crop Management Systems ; Economic Theory and Research ; Food and Beverage Industry ; Industry ; Infrastructure Development ; Infrastructures ; Macroeconomics and Economic Growth ; Markets and Market Access ; Road ; Roads ; Rural Infrastructure ; Transport ; Transport ; Transport Economics, Policy and Planning ; Transport Infrastructure ; Transport Network ; Transportation ; Agriculture ; Capital Investment ; Crops and Crop Management Systems ; Economic Theory and Research ; Food and Beverage Industry ; Industry ; Infrastructure Development ; Infrastructures ; Macroeconomics and Economic Growth ; Markets and Market Access ; Road ; Roads ; Rural Infrastructure ; Transport ; Transport ; Transport Economics, Policy and Planning ; Transport Infrastructure ; Transport Network ; Transportation ; Agriculture ; Capital Investment ; Crops and Crop Management Systems ; Economic Theory and Research ; Food and Beverage Industry ; Industry ; Infrastructure Development ; Infrastructures ; Macroeconomics and Economic Growth ; Markets and Market Access ; Road ; Roads ; Rural Infrastructure ; Transport ; Transport ; Transport Economics, Policy and Planning ; Transport Infrastructure ; Transport Network ; Transportation
    Abstract: Although it is commonly believed that aggregate economic growth must be associated with public infrastructure stocks, the possible infrastructure needs and effects are different from industry to industry. The agriculture sector is typical. Various infrastructures would affect agriculture growth differently depending on the type of commodity. This paper finds that a general transport network is essential to promote coffee and cocoa production, perhaps along with irrigation facilities, depending on local rainfall. Conversely, along with the transport network, the dairy industry necessitates rural water supply services as well. In some African countries, a 1 percent improvement in these key aspects of infrastructure could raise GDP by about 0.1-0.4 percent, and by possibly by several percent in some cases
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  • 81
    Language: English
    Pages: Online-Ressource (1 online resource (47 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ferreira, Francisco H.G Poverty Reduction Without Economic Growth ?
    Keywords: Agricultural Growth ; Economic Growth ; Human Capital ; Human Development ; Inequality ; Poor ; Poverty Dynamics ; Poverty Reduction ; Poverty Reduction ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction ; Social Assistance ; Social Security ; Agricultural Growth ; Economic Growth ; Human Capital ; Human Development ; Inequality ; Poor ; Poverty Dynamics ; Poverty Reduction ; Poverty Reduction ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction ; Social Assistance ; Social Security ; Agricultural Growth ; Economic Growth ; Human Capital ; Human Development ; Inequality ; Poor ; Poverty Dynamics ; Poverty Reduction ; Poverty Reduction ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction ; Social Assistance ; Social Security
    Abstract: Brazil's slow pace of poverty reduction over the last two decades reflects both low growth and a low growth elasticity of poverty reduction. Using GDP data disaggregated by state and sector for a twenty-year period, this paper finds considerable variation in the poverty-reducing effectiveness of growth-across sectors, across space, and over time. Growth in the services sector was substantially more poverty-reducing than was growth in either agriculture or industry. Growth in industry had very different effects on poverty across different states and its impact varied with initial conditions related to human development and worker empowerment. The determinants of poverty reduction changed around 1994: positive growth rates and a greater (absolute) elasticity with respect to agricultural growth contributed to faster poverty reduction. But because there was so little of it, economic growth played a relatively small role in accounting for Brazil's poverty reduction between 1985 and 2004. The taming of hyperinflation (in 1994) and substantial expansions in social security and social assistance transfers, beginning in 1988, accounted for a larger share of the overall reduction in poverty
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  • 82
    Language: English
    Pages: Online-Ressource (1 online resource (39 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Iimi, Atsushi Infrastructure And Trade Preferences For The Livestock Sector
    Keywords: Agriculture ; Agriculture ; Competitiveness ; Cred Demand ; Culture ; Debt Markets ; Development ; Economic Theory and Research ; Economics ; Emerging Markets ; Equations ; Exchange ; Finance and Financial Sector Development ; Free Trade ; GDP ; Income ; International Economics & Trade ; International Trade ; Livestock and Animal Husbandry ; Macroeconomics and Economic Growth ; Markets ; Markets and Market Access ; Middle Income Countries ; Prices ; Private Sector Development ; Public Sector Development ; Trade Policy ; Transport ; Transport Economics, Policy and Planning ; Agriculture ; Agriculture ; Competitiveness ; Cred Demand ; Culture ; Debt Markets ; Development ; Economic Theory and Research ; Economics ; Emerging Markets ; Equations ; Exchange ; Finance and Financial Sector Development ; Free Trade ; GDP ; Income ; International Economics & Trade ; International Trade ; Livestock and Animal Husbandry ; Macroeconomics and Economic Growth ; Markets ; Markets and Market Access ; Middle Income Countries ; Prices ; Private Sector Development ; Public Sector Development ; Trade Policy ; Transport ; Transport Economics, Policy and Planning ; Agriculture ; Agriculture ; Competitiveness ; Cred Demand ; Culture ; Debt Markets ; Development ; Economic Theory and Research ; Economics ; Emerging Markets ; Equations ; Exchange ; Finance and Financial Sector Development ; Free Trade ; GDP ; Income ; International Economics & Trade ; International Trade ; Livestock and Animal Husbandry ; Macroeconomics and Economic Growth ; Markets ; Markets and Market Access ; Middle Income Countries ; Prices ; Private Sector Development ; Public Sector Development ; Trade Policy ; Transport ; Transport Economics, Policy and Planning
    Abstract: Trade preferences are expected to facilitate global market integration and offer the potential for rapid economic growth and poverty reduction for developing countries. But those preferences do not always guarantee sustainable external competitiveness to beneficiary countries and may risk discouraging their efforts to improve underlying productivity. This paper examines the EU beef import market where several African countries have been granted preferential treatment. The estimation results suggest that profitability improvement achieved by countries under the Cotonou protocol compares unfavorably with the returns to nonbeneficiary countries in recent years. Rather, it shows that public infrastructure, such as paved roads, has an important role in lowering production costs and thus increasing external competitiveness and market shares
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  • 83
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (1 online resource (24 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin Absolute Poverty Measures For The Developing World, 1981-2004
    Keywords: Absolute Poverty ; Child Mortality ; Food Consumption ; Global Poverty ; Health, Nutrition and Population ; Household Size ; Household Surveys ; Household Welfare ; Incidence of Poverty ; Income ; Inequality ; Population Policies ; Poverty Reduction ; Rural Development ; Rural Poverty Reduction ; Absolute Poverty ; Child Mortality ; Food Consumption ; Global Poverty ; Health, Nutrition and Population ; Household Size ; Household Surveys ; Household Welfare ; Incidence of Poverty ; Income ; Inequality ; Population Policies ; Poverty Reduction ; Rural Development ; Rural Poverty Reduction ; Absolute Poverty ; Child Mortality ; Food Consumption ; Global Poverty ; Health, Nutrition and Population ; Household Size ; Household Surveys ; Household Welfare ; Incidence of Poverty ; Income ; Inequality ; Population Policies ; Poverty Reduction ; Rural Development ; Rural Poverty Reduction
    Abstract: The authors report new estimates of measures of absolute poverty for the developing world over 1981-2004. A clear trend decline in the percentage of people who are absolutely poor is evident, although with uneven progress across regions. They find more mixed success in reducing the total number of poor. Indeed, the developing world outside China has seen little or no sustained progress in reducing the number of poor, with rising poverty counts in some regions, notably Sub-Saharan Africa. There are encouraging signs of progress in reducing the incidence of poverty in all regions after 2000, although it is too early to say if this is a new trend
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  • 84
    Language: English
    Pages: Online-Ressource (1 online resource (33 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin Geographic Inequity In A Decentralized Anti-Poverty Program
    Keywords: Absolute poverty ; Anti-poverty programs ; Data set ; Developing countries ; Economic Theory and Research ; Income ; Inequality ; Macroeconomics and Economic Growth ; Mean incomes ; Policy ReseaRch ; Poor areas ; Poverty Monitoring and Analysis ; Poverty Reduction ; Poverty lines ; Public Sector Management and Reform ; Redistributive policies ; Services and Transfers to Poor ; Absolute poverty ; Anti-poverty programs ; Data set ; Developing countries ; Economic Theory and Research ; Income ; Inequality ; Macroeconomics and Economic Growth ; Mean incomes ; Policy ReseaRch ; Poor areas ; Poverty Monitoring and Analysis ; Poverty Reduction ; Poverty lines ; Public Sector Management and Reform ; Redistributive policies ; Services and Transfers to Poor ; Absolute poverty ; Anti-poverty programs ; Data set ; Developing countries ; Economic Theory and Research ; Income ; Inequality ; Macroeconomics and Economic Growth ; Mean incomes ; Policy ReseaRch ; Poor areas ; Poverty Monitoring and Analysis ; Poverty Reduction ; Poverty lines ; Public Sector Management and Reform ; Redistributive policies ; Services and Transfers to Poor
    Abstract: The central governments of many developing countries have chosen to decentralize their anti-poverty programs, in the expectation that local agents are better informed about local needs. The paper shows that this potential advantage of decentralized eligibility criteria can come at a large cost, to the extent that the induced geographic inequities undermine performance in reaching the income- poor nationally. These issues are studied empirically for (probably) the largest transfer-based poverty program in the world, namely China's Di Bao program, which aims to assure a minimum income through means-tested transfers. Poor municipalities are found to adopt systematically lower eligibility thresholds, reducing the program's ability to reach poor areas, and generating considerable horizontal inequity
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  • 85
    Language: English
    Pages: Online-Ressource (1 online resource (34 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Chaudhuri, Shubham Partially Awakened Giants
    Keywords: Absolute Poverty ; Economic Growth ; Farm Production ; Health, Nutrition and Population ; Household Survey ; Human Capital ; Income ; Income Inequality ; Inequality ; Inequality ; Poor ; Population Policies ; Poverty ; Poverty Line ; Poverty Measures ; Poverty Reduction ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction ; Absolute Poverty ; Economic Growth ; Farm Production ; Health, Nutrition and Population ; Household Survey ; Human Capital ; Income ; Income Inequality ; Inequality ; Inequality ; Poor ; Population Policies ; Poverty ; Poverty Line ; Poverty Measures ; Poverty Reduction ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction ; Absolute Poverty ; Economic Growth ; Farm Production ; Health, Nutrition and Population ; Household Survey ; Human Capital ; Income ; Income Inequality ; Inequality ; Inequality ; Poor ; Population Policies ; Poverty ; Poverty Line ; Poverty Measures ; Poverty Reduction ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction
    Abstract: The paper examines the ways in which recent economic growth has been uneven in China and India and what this has meant for inequality and poverty. Drawing on analyses based on existing household survey data and aggregate data from official sources, the authors show that growth has indeed been uneven-geographically, sectorally, and at the household level-and that this has meant uneven progress against poverty, less poverty reduction than might have been achieved had growth been more balanced, and an increase in income inequality. The paper then examines why growth was uneven and why this should be of concern. The discussion is structured around the idea that there are both "good" and "bad" inequalities-drivers and dimensions of inequality and uneven growth that are good or bad in terms of what they imply for both equity and long-term growth and development. The authors argue that the development paths of both China and India have been influenced by, and have generated, both types of inequalities and that while good inequalities-most notably those that reflect the role of economic incentives-have been critical to the growth experience thus far, there is a risk that bad inequalities-those that prevent individuals from connecting to markets and limit investment and accumulation of human capital and physical capital-may undermine the sustainability of growth in the coming years. The authors argue that policies are needed that preserve the good inequalities-continued incentives for innovation and investment-but reduce the scope for bad ones, notably through investments in human capital and rural infrastructure that help the poor connect to markets
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  • 86
    Language: English
    Pages: Online-Ressource (1 online resource (45 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Chen, Shaohua Are There Lasting Impacts of Aid To Poor Areas ?
    Keywords: Aid Effectiveness ; Anti-Poverty ; Communities & Human Settlements ; Community Participation ; Counterfactual ; Debt Markets ; Economic Growth ; Economic Theory and Research ; Extreme Poverty ; Finance and Financial Sector Development ; Financial Literacy ; Household Survey ; Housing and Human Habitats ; Income ; Income Gains ; Inequality ; Macroeconomics and Economic Growth ; Market Failures ; Poor ; Poverty Monitoring and Analysis ; Poverty Reduction ; Rural Development ; Rural Poverty Reduction ; Services and Transfers to Poor ; Aid Effectiveness ; Anti-Poverty ; Communities & Human Settlements ; Community Participation ; Counterfactual ; Debt Markets ; Economic Growth ; Economic Theory and Research ; Extreme Poverty ; Finance and Financial Sector Development ; Financial Literacy ; Household Survey ; Housing and Human Habitats ; Income ; Income Gains ; Inequality ; Macroeconomics and Economic Growth ; Market Failures ; Poor ; Poverty Monitoring and Analysis ; Poverty Reduction ; Rural Development ; Rural Poverty Reduction ; Services and Transfers to Poor ; Aid Effectiveness ; Anti-Poverty ; Communities & Human Settlements ; Community Participation ; Counterfactual ; Debt Markets ; Economic Growth ; Economic Theory and Research ; Extreme Poverty ; Finance and Financial Sector Development ; Financial Literacy ; Household Survey ; Housing and Human Habitats ; Income ; Income Gains ; Inequality ; Macroeconomics and Economic Growth ; Market Failures ; Poor ; Poverty Monitoring and Analysis ; Poverty Reduction ; Rural Development ; Rural Poverty Reduction ; Services and Transfers to Poor
    Abstract: The paper revisits the site of a large, World Bank-financed, rural development program in China 10 years after it began and four years after disbursements ended. The program emphasized community participation in multi-sectoral interventions (including farming, animal husbandry, infrastructure and social services). Data were collected on 2,000 households in project and nonproject areas, spanning 10 years. A double-difference estimator of the program's impact (on top of pre-existing governmental programs) reveals sizeable short-term income gains that were mostly saved. Only modest gains to mean consumption emerged in the longer term-in rough accord with the gain to permanent income. Certain types of households gained more than others. The educated poor were under-covered by the community-based selection process-greatly reducing overall impact. The main results are robust to corrections for various sources of selection bias, including village targeting and interference due to spillover effects generated by the response of local governments to the external aid
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  • 87
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (1 online resource (57 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Chen, Shaohua China's (Uneven) Progress Against Poverty
    Keywords: Economic Policies ; Extreme Poverty ; Farmers ; Health, Nutrition and Population ; High Inequality ; Household Survey ; Impact On Poverty ; Income Growth ; Inequality ; Measures ; National Poverty ; Poor ; Poor People ; Population Policies ; Poverty Reduction ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction ; Economic Policies ; Extreme Poverty ; Farmers ; Health, Nutrition and Population ; High Inequality ; Household Survey ; Impact On Poverty ; Income Growth ; Inequality ; Measures ; National Poverty ; Poor ; Poor People ; Population Policies ; Poverty Reduction ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction ; Economic Policies ; Extreme Poverty ; Farmers ; Health, Nutrition and Population ; High Inequality ; Household Survey ; Impact On Poverty ; Income Growth ; Inequality ; Measures ; National Poverty ; Poor ; Poor People ; Population Policies ; Poverty Reduction ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction
    Abstract: While the incidence of extreme poverty in China fell dramatically over 1980–2001, progress was uneven over time and across provinces. Rural areas accounted for the bulk of the gains to the poor, though migration to urban areas helped. The pattern of growth mattered. Rural economic growth was far more important to national poverty reduction than urban economic growth. Agriculture played a far more important role than the secondary or tertiary sources of GDP. Rising inequality within the rural sector greatly slowed poverty reduction. Provinces starting with relatively high inequality saw slower progress against poverty, due both to lower growth and a lower growth elasticity of poverty reduction. Taxation of farmers and inflation hurt the poor. External trade had little short-term impact. This paper—a product of the Poverty Team, Development Research Group—is part of a larger effort in the group to understand the causes of country success in poverty reduction
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  • 88
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (1 online resource (42 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Chen, Shaohua How Have the World's Poorest Fared Since the Early 1980s?
    Keywords: Extreme Poverty ; Food Consumption ; Global Poverty ; Health, Nutrition and Population ; Household Size ; Household Survey ; Household Surveys ; Income ; Inequality ; International Poverty Line ; Per Capita Consumption ; Population Policies ; Poverty Reduction ; Rural Development ; Rural Poverty Reduction ; Extreme Poverty ; Food Consumption ; Global Poverty ; Health, Nutrition and Population ; Household Size ; Household Survey ; Household Surveys ; Income ; Inequality ; International Poverty Line ; Per Capita Consumption ; Population Policies ; Poverty Reduction ; Rural Development ; Rural Poverty Reduction ; Extreme Poverty ; Food Consumption ; Global Poverty ; Health, Nutrition and Population ; Household Size ; Household Survey ; Household Surveys ; Income ; Inequality ; International Poverty Line ; Per Capita Consumption ; Population Policies ; Poverty Reduction ; Rural Development ; Rural Poverty Reduction
    Abstract: Chen and Ravallion present new estimates of the extent of the developing world's progress against poverty. By the frugal
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  • 89
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (1 online resource (32 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin Land Allocation in Vietnam's Agrarian Transition
    Keywords: Allocation ; Climate Change ; Communities & Human Settlements ; Consumption ; Contract ; Cost ; Economics ; Efficiency ; Environment ; Forestry ; Historical Context ; Labor ; Land ; Land Use and Policies ; Macroeconomics and Economic Growth ; Market ; Market Economy ; Municipal Housing ; Political Economy ; Political Economy ; Poverty Reduction ; Price Variation ; Private Sector Development ; Rural Development ; Rural Development Knowledge and Information Systems ; Rural Land Policies for Poverty Reduction ; Urban Development ; Urban Housing ; Allocation ; Climate Change ; Communities & Human Settlements ; Consumption ; Contract ; Cost ; Economics ; Efficiency ; Environment ; Forestry ; Historical Context ; Labor ; Land ; Land Use and Policies ; Macroeconomics and Economic Growth ; Market ; Market Economy ; Municipal Housing ; Political Economy ; Political Economy ; Poverty Reduction ; Price Variation ; Private Sector Development ; Rural Development ; Rural Development Knowledge and Information Systems ; Rural Land Policies for Poverty Reduction ; Urban Development ; Urban Housing ; Allocation ; Climate Change ; Communities & Human Settlements ; Consumption ; Contract ; Cost ; Economics ; Efficiency ; Environment ; Forestry ; Historical Context ; Labor ; Land ; Land Use and Policies ; Macroeconomics and Economic Growth ; Market ; Market Economy ; Municipal Housing ; Political Economy ; Political Economy ; Poverty Reduction ; Price Variation ; Private Sector Development ; Rural Development ; Rural Development Knowledge and Information Systems ; Rural Land Policies for Poverty Reduction ; Urban Development ; Urban Housing
    Abstract: While liberalizing key factor markets is a crucial step in the transition from a socialist control-economy to a market economy, the process can be stalled by imperfect information, high transaction costs, and covert resistance from entrenched interests. Ravallion and van de Walle study land-market adjustment in the wake of Vietnam's reforms aiming to establish a free market in land-use rights following de-collectivization. Inefficiencies in the initial administrative allocation are measured against an explicit counterfactual market solution. The authors' tests using a farm-household panel data set spanning the reforms suggest that land allocation responded positively but slowly to the inefficiencies of the administrative allocation. They find no sign that the transition favored the land rich or that it was thwarted by the continuing power over land held by local officials. This paper—a joint product of the Poverty Team and the Public Services Team, Development Research Group—is part of a larger effort in the group to understand the welfare impacts of major policy reforms
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  • 90
    Language: English
    Pages: Online-Ressource (1 online resource (48 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin Household Welfare Impacts of China's Accession to the World Trade Organization
    Keywords: Consumption Behavior ; Distributional Effects ; Economic Theory and Research ; Emerging Markets ; Finance and Financial Sector Development ; Financial Literacy ; Food Commodities ; Food Items ; Food Staples ; Health, Nutrition and Population ; Household Survey ; Household Surveys ; Household Welfare ; Income ; Income Shares ; Inequality ; Inequality ; Labor Policies ; Macroeconomics and Economic Growth ; Population Policies ; Poverty Lines ; Poverty Reduction ; Private Sector Developmen ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction ; Social Protections and Labor ; Trade Policy ; Consumption Behavior ; Distributional Effects ; Economic Theory and Research ; Emerging Markets ; Finance and Financial Sector Development ; Financial Literacy ; Food Commodities ; Food Items ; Food Staples ; Health, Nutrition and Population ; Household Survey ; Household Surveys ; Household Welfare ; Income ; Income Shares ; Inequality ; Inequality ; Labor Policies ; Macroeconomics and Economic Growth ; Population Policies ; Poverty Lines ; Poverty Reduction ; Private Sector Developmen ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction ; Social Protections and Labor ; Trade Policy ; Consumption Behavior ; Distributional Effects ; Economic Theory and Research ; Emerging Markets ; Finance and Financial Sector Development ; Financial Literacy ; Food Commodities ; Food Items ; Food Staples ; Health, Nutrition and Population ; Household Survey ; Household Surveys ; Household Welfare ; Income ; Income Shares ; Inequality ; Inequality ; Labor Policies ; Macroeconomics and Economic Growth ; Population Policies ; Poverty Lines ; Poverty Reduction ; Private Sector Developmen ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction ; Social Protections and Labor ; Trade Policy
    Abstract: Chen and Ravallion use China's national household surveys for rural and urban areas to measure and explain the welfare impacts of the changes in goods and factor prices attributed to WTO accession. Price changes are estimated separately using a general equilibrium model to capture both direct and indirect effects of the initial tariff changes. The welfare impacts are first-order approximations based on a household model incorporating own-production activities and are calibrated to the household-level data imposing minimum aggregation. The authors find negligible impacts on inequality and poverty in the aggregate. However, diverse impacts emerge across household types and regions associated with heterogeneity in consumption behavior and income sources, with possible implications for compensatory policy responses. This paper—a product of the Poverty Team, Development Research Group—is part of a larger effort in the group to assess the household welfare impacts of economywide policy changes
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  • 91
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (1 online resource (36 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin Is India's Economic Growth Leaving the Poor Behind?
    Keywords: 1958-2000 ; Wirtschaftswachstum ; Armut ; Teilstaat ; Armutsbekämpfung ; Indien ; Absolute Poverty ; Economic Growth ; Global Poverty ; Health, Nutrition and Population ; Household Consumption ; Human Capital ; Impact On Poverty ; Incidence of Poverty ; Income ; Inequality ; International Poverty Line ; Population Policies ; Poverty Reduction ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction ; Absolute Poverty ; Economic Growth ; Global Poverty ; Health, Nutrition and Population ; Household Consumption ; Human Capital ; Impact On Poverty ; Incidence of Poverty ; Income ; Inequality ; International Poverty Line ; Population Policies ; Poverty Reduction ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction ; Absolute Poverty ; Economic Growth ; Global Poverty ; Health, Nutrition and Population ; Household Consumption ; Human Capital ; Impact On Poverty ; Incidence of Poverty ; Income ; Inequality ; International Poverty Line ; Population Policies ; Poverty Reduction ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction
    Abstract: There has been much debate about how much India's poor have shared in the economic growth unleashed by economic reforms in the 1990s. Datt and Ravallion argue that India has probably maintained its 1980s rate of poverty reduction in the 1990s. However, there is considerable diversity in performance across states. This holds some important clues for understanding why economic growth has not done more for India's poor. India's economic growth in the 1990s has not been occurring in the states where it would have the most impact on poverty nationally. If not for the sectoral and geographic imbalance of growth, the national rate of growth would have generated a rate of poverty reduction that was double India's historical trend rate. States with relatively low levels of initial rural development and human capital development were not well-suited to reduce poverty in response to economic growth. The study's results are consistent with the view that achieving higher aggregate economic growth is only one element of an effective strategy for poverty reduction in India. The sectoral and geographic composition of growth is also important, as is the need to redress existing inequalities in human resource development and between rural and urban areas. This paper—a product of the Poverty Team, Development Research Group—is part of a larger effort in the department to better understand the relationship between economic growth and poverty. The authors may be contacted at gdattworldbank.org or mravallion@worldbank.org
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  • 92
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (1 online resource (52 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin Rich and Powerful?
    Keywords: Anthropology ; Bank ; Contingency ; Culture & Development ; Demand ; Disposable Income ; Earnings ; Economic Theory and Research ; Education ; Energy ; Finance and Financial Sector Development ; Financial Crisis ; Financial Literacy ; Gender ; Gender and Social Development ; Household Income ; Household Incomes ; Income ; Income Increases ; Inequality ; Infrastructure Economics ; Infrastructure Economics and Finance ; Inter ; Interest ; Macroeconomics and Economic Growth ; Poverty Diagnostics ; Poverty Reduction ; Rural Development ; Rural Poverty Reduction ; Windpower ; Anthropology ; Bank ; Contingency ; Culture & Development ; Demand ; Disposable Income ; Earnings ; Economic Theory and Research ; Education ; Energy ; Finance and Financial Sector Development ; Financial Crisis ; Financial Literacy ; Gender ; Gender and Social Development ; Household Income ; Household Incomes ; Income ; Income Increases ; Inequality ; Infrastructure Economics ; Infrastructure Economics and Finance ; Inter ; Interest ; Macroeconomics and Economic Growth ; Poverty Diagnostics ; Poverty Reduction ; Rural Development ; Rural Poverty Reduction ; Windpower ; Anthropology ; Bank ; Contingency ; Culture & Development ; Demand ; Disposable Income ; Earnings ; Economic Theory and Research ; Education ; Energy ; Finance and Financial Sector Development ; Financial Crisis ; Financial Literacy ; Gender ; Gender and Social Development ; Household Income ; Household Incomes ; Income ; Income Increases ; Inequality ; Infrastructure Economics ; Infrastructure Economics and Finance ; Inter ; Interest ; Macroeconomics and Economic Growth ; Poverty Diagnostics ; Poverty Reduction ; Rural Development ; Rural Poverty Reduction ; Windpower
    Abstract: Does "empowerment" come hand-in-hand with higher economic welfare? In theory, higher income is likely to raise both power and welfare, but heterogeneity in other characteristics and household formation can either strengthen or weaken the relationship. Survey data on Russian adults indicate that higher individual and household incomes raise both self-rated power and welfare. The individual income effect is primarily direct, rather than through higher household income. There are diminishing returns to income, though income inequality emerges as only a minor factor reducing either aggregate power or welfare. At given income, the identified covariates have strikingly similar effects on power and welfare. There are some notable differences between men and women in perceived power. This paper—a product of the Poverty Team, Development Research Group—is part of a larger effort in the group to explore broader measures of well-being. The authors may be contacted at mlokshinworldbank.org or mravallion@worldbank.org
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  • 93
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource
    Edition: Online-Ausg. World Bank E-Library Archive Also available in print
    Series Statement: Policy research working paper 2558
    Parallel Title: Ravallion, Martin Growth, inequality and poverty
    Note: Includes bibliographical references , Title from title screen as viewed on Sept. 17, 2002 , Also available in print.
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  • 94
    Language: English
    Pages: Online-Ressource (1 online resource (34 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin Are the Poor Less Well-Insured?
    Keywords: 1997 ; China ; Consumption ; Consumption ; Current Consumption ; Emerging Markets ; Finance and Financial Sector Development ; Financial Intermediation ; Fiscal and Monetary Policy ; Health Systems Development and Reform ; Health, Nutrition and Population ; Household Size ; Households ; Income ; Income ; Income Risk ; Income Shock ; Inequality ; Insurance ; Labor Policies ; Macroeconomics and Economic Growth ; Martin ; Poor ; Poor Areas ; Poverty Reduction ; Private Sector Development ; Public Sector Development ; Rural Development ; Rural Poverty Reduction ; Services and Transfers to Poor ; Social Protections and Labor ; Vulnerability ; Wealth Groups ; 1997 ; China ; Consumption ; Consumption ; Current Consumption ; Emerging Markets ; Finance and Financial Sector Development ; Financial Intermediation ; Fiscal and Monetary Policy ; Health Systems Development and Reform ; Health, Nutrition and Population ; Household Size ; Households ; Income ; Income ; Income Risk ; Income Shock ; Inequality ; Insurance ; Labor Policies ; Macroeconomics and Economic Growth ; Martin ; Poor ; Poor Areas ; Poverty Reduction ; Private Sector Development ; Public Sector Development ; Rural Development ; Rural Poverty Reduction ; Services and Transfers to Poor ; Social Protections and Labor ; Vulnerability ; Wealth Groups
    Abstract: December 1997 - In rural China, those in the poorest wealth decile are the least well-insured, with 40 percent of an income shock being passed on to current consumption. By contrast, consumption by the richest third of households is protected from almost 90 percent of an income shock. Jalan and Ravallion test how well consumption is insured against income risk in a panel of sampled households in rural China. They estimate the risk insurance models by Generalized Method of Moments, treating income and household size as endogenous. Insurance exists for all wealth groups, although the hypothesis of perfect insurance is universally rejected. Those in the poorest wealth decile are the least well-insured, with 40 percent of an income shock being passed on to current consumption. By contrast, consumption by the richest third of households is protected from almost 90 percent of an income shock. The extent of insurance in a given wealth stratum varies little between poor and nonpoor areas. This paper-a product of the Development Research Group-is part of a larger effort in the group to understand private insurance arrangements in poor rural economies. The study was funded by the Bank's Research Support Budget under the research project Dynamics of Poverty in Rural China (RPO 678-69)
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  • 95
    Language: English
    Pages: Online-Ressource (1 online resource (26 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin What Can We Learn about Country Performance from Conditional Comparisons across Countries?
    Keywords: Crime and Society ; Developing Countries ; Development Assistance ; Development Policy ; Dissemination ; Finance and Financial Sector Development ; Financial Literacy ; Health Care ; Health Systems Development and Reform ; Health, Nutrition and Population ; Household Income ; Human Development ; Income Inequality ; Inequality ; Infant ; Infant Mortality ; Knowledge ; Level Of Poverty ; Life Expectancy ; Policy Discussions ; Policy Implications ; Population ; Population Policies ; Poverty ; Poverty Reduction ; Practitioners ; Pro-Poor Growth ; Services and Transfers to Poor ; Social Development ; Social Policies ; Social Services ; Crime and Society ; Developing Countries ; Development Assistance ; Development Policy ; Dissemination ; Finance and Financial Sector Development ; Financial Literacy ; Health Care ; Health Systems Development and Reform ; Health, Nutrition and Population ; Household Income ; Human Development ; Income Inequality ; Inequality ; Infant ; Infant Mortality ; Knowledge ; Level Of Poverty ; Life Expectancy ; Policy Discussions ; Policy Implications ; Population ; Population Policies ; Poverty ; Poverty Reduction ; Practitioners ; Pro-Poor Growth ; Services and Transfers to Poor ; Social Development ; Social Policies ; Social Services
    Abstract: May 2000 - Existing methods for assessing latent country or institutional performance can yield deceptive results. There have been many attempts to infer latent performance attributes of governments (or other institutions) from conditional comparisons that control for observed variables. Success in doing so could greatly improve government performance. Ravallion critically reviews the econometric foundations of the methods used. He argues that latent heterogeneity remains a fundamental but unresolved problem. Locating a benchmark for measuring performance adds a further problem. Current methods do not yield a consistent estimate of even the mean latent performance attribute. An assessment of country performance by these methods could well be wildly wrong. This paper - a product of Poverty and Human Resources, Development Research Group - is part of a larger effort in the group to assess and improve methods for monitoring and assessing country performance. The study was funded by the Bank's Research Support Budget under the research project Policies for Poor Areas (RPO 681-39). The author may be contacted at mravallionworldbank.org
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  • 96
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (1 online resource (43 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin Subjective Economic Welfare
    Keywords: Bank ; Calculation ; Consumer ; Consumers ; Demand ; Demands ; Economic Theory and Research ; Family Allowances ; Finance and Financial Sector Development ; Financial Literacy ; Health Systems Development and Reform ; Health, Nutrition and Population ; Household Income ; Household Incomes ; Income ; Incomes ; Inequality ; Inflation ; Information ; Macroeconomics and Economic Growth ; Money ; Pensioner ; Population Policies ; Poverty Diagnostics ; Poverty Lines ; Poverty Monitoring and Analysis ; Poverty Rate ; Poverty Reduction ; Property ; Rural Development ; Rural Poverty Reduction ; Services and Transfers to Poor ; Spending ; Unemployment ; Welfare ; Bank ; Calculation ; Consumer ; Consumers ; Demand ; Demands ; Economic Theory and Research ; Family Allowances ; Finance and Financial Sector Development ; Financial Literacy ; Health Systems Development and Reform ; Health, Nutrition and Population ; Household Income ; Household Incomes ; Income ; Incomes ; Inequality ; Inflation ; Information ; Macroeconomics and Economic Growth ; Money ; Pensioner ; Population Policies ; Poverty Diagnostics ; Poverty Lines ; Poverty Monitoring and Analysis ; Poverty Rate ; Poverty Reduction ; Property ; Rural Development ; Rural Poverty Reduction ; Services and Transfers to Poor ; Spending ; Unemployment ; Welfare
    Abstract: April 1999 - As conventionally measured, current household income relative to a poverty line can only partially explain how Russian adults perceive their economic welfare. Other factors include past incomes, individual incomes, household consumption, current unemployment, risk of unemployment, health status, education, and relative income in the area of residence. Paradoxically, when economists analyze a policy's impact on welfare they typically assume that people are the best judges of their own welfare, yet resist directly asking them if they are better off. Early ideas of utility were explicitly subjective, but modern economists generally ignore people's expressed views about their own welfare. Even using a broad set of conventional socioeconomic data may not reflect well people's subjective perceptions of their poverty. Ravallion and Lokshin examine the determinants of subjective economic welfare in Russia, including its relationship to conventional objective indicators. For data on subjective perceptions, they use survey responses in which respondents rate their level of welfare from poor to rich on a nine-point ladder. As an objective indicator of economic welfare, they use the most common poverty indicator in Russia today, in which household incomes are deflated by household-specific poverty lines. They find that Russian adults with higher family income per equivalent adult are less likely to place themselves on the lowest rungs of the subjective ladder and more likely to put themselves on the upper rungs. But current household income does not explain well self-reported assessments of whether someone is poor or rich. Expanding the set of variables to include incomes at different dates, expenditures, educational attainment, health status, employment, and average income in the area of residence doubles explanatory power. Healthier and better educated adults with jobs perceive themselves to be better off, controlling for income. The unemployed view their welfare as lower, even with full income replacement. Individual income matters independent of per capita household income. Relative income also matters. Living in a richer area lowers perceived economic welfare, controlling for income and other factors. This paper-a product of Poverty and Human Resources, Development Research Group-is part of a larger effort in the group to better understand the relationship between objective and subjective economic welfare. The study was funded by the Bank's Research Support Budget under the research project Policies for Poor Areas (RPO 681-39). The authors may be contacted at mravallionworldbank.org or mlokshin@worldbank.org
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  • 97
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (1 online resource (32 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin Is Knowledge Shared within Households?
    Keywords: Access and Equity in Basic Education ; Bank ; Brochure ; Budget ; Conflict of Interest ; Earnings ; Education ; Education for All ; Family Member ; Finance and Financial Sector Development ; Financial Literacy ; Gender ; Gender and Law ; Household Expenditure ; Income ; Incomes ; Information ; Interest ; Interests ; Knowledge ; Law and Development ; Literacy ; Pamphlets ; Primary Education ; Public Goods ; Unemployment ; Wage ; Welfare ; Access and Equity in Basic Education ; Bank ; Brochure ; Budget ; Conflict of Interest ; Earnings ; Education ; Education for All ; Family Member ; Finance and Financial Sector Development ; Financial Literacy ; Gender ; Gender and Law ; Household Expenditure ; Income ; Incomes ; Information ; Interest ; Interests ; Knowledge ; Law and Development ; Literacy ; Pamphlets ; Primary Education ; Public Goods ; Unemployment ; Wage ; Welfare
    Abstract: December 1999: Yes - and more efficiently by women than by men, according to this analysis of household survey data for Bangladesh. An illiterate adult earns significantly more in the nonfarm economy when living in a household with at least one literate member. According to theory, a member of a collective-action household may or may not share knowledge with others in that household. Shared income gains from shared knowledge may well be offset by a shift in the balance of power within the family. But do literate members of the household share the benefits of literacy with other members of the household in practice? Using household survey data for Bangladesh, Basu, Narayan, and Ravallion find that education has strong external effects on individual earnings. When a range of personal attributes is held constant, an illiterate adult earns significantly more in the nonfarm economy when living in a household with at least one literate member. That is, a literate person is likely to share some of the benefits of his or her literacy with other members of the household. It is better to be an illiterate in a household where someone is literate than in a household of illiterates only. It is widely noted that a literate mother confers greater benefits on her children than a literate father does. But what about differences between male and female recipients of knowledge? The empirical results suggest that women are more efficient recipients, too. This paper - a joint product of the Office of the Senior Vice President and Chief Economist, Development Economics, and Poverty and Human Resources, Development Research Group - is part of a larger effort in the Bank to understand the relationship between literacy and balance of power in the household. This paper was funded by the Bank's Research Support Budget under the research project Intrahousehold Decisionmaking, Literacy, and Child Labor (RPO 683-07). The authors may be contacted at kb40cornell.edu, anarayan@worldbank.org, or mravallion@worldbank.org
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  • 98
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (1 online resource (36 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin How Did the World's Poorest Fare in the 1990s?
    Keywords: Absolute Poverty ; Aggregate Poverty ; Consumer Price Index ; Consumption ; Consumption Basket ; Consumption Expenditure ; Consumption Expenditures ; Consumption Per Capita ; Consumption Poverty ; Debt Markets ; Finance and Financial Sector Development ; Health Systems Development and Reform ; Health, Nutrition and Population ; Higher Inequality ; Household Living Standards ; Household Size ; Incidence Of Poverty ; Income Distribution ; Inequality ; Poor Countries ; Population Policies ; Poverty Diagnostics ; Poverty Line ; Poverty Lines ; Poverty Measures ; Poverty Monitoring and Analysis ; Poverty Rate ; Poverty Reduction ; Poverty Reduction ; Poverty Reduction Strategies ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction ; Services and Transfers to Poor ; Absolute Poverty ; Aggregate Poverty ; Consumer Price Index ; Consumption ; Consumption Basket ; Consumption Expenditure ; Consumption Expenditures ; Consumption Per Capita ; Consumption Poverty ; Debt Markets ; Finance and Financial Sector Development ; Health Systems Development and Reform ; Health, Nutrition and Population ; Higher Inequality ; Household Living Standards ; Household Size ; Incidence Of Poverty ; Income Distribution ; Inequality ; Poor Countries ; Population Policies ; Poverty Diagnostics ; Poverty Line ; Poverty Lines ; Poverty Measures ; Poverty Monitoring and Analysis ; Poverty Rate ; Poverty Reduction ; Poverty Reduction ; Poverty Reduction Strategies ; Pro-Poor Growth ; Rural Development ; Rural Poverty Reduction ; Services and Transfers to Poor
    Abstract: August 2000 - Between 1987 and 1998, the incidence of poverty fell in Asia and the Middle East and North Africa, changed little in Latin America and Sub-Saharan Africa, and rose in Eastern Europe and Central Asia. Too little economic growth in the poorest countries and persistent inequalities (in income and other measures) are the main reasons for the disappointing rate of poverty reduction. Drawing on data from 265 national sample surveys spanning 83 countries, Chen and Ravallion find that there was a net decrease in the total incidence of consumption poverty between 1987 and 1998. But it was not enough to reduce the total number of poor people, by various definitions. The incidence of poverty fell in Asia and the Middle East and North Africa, changed little in Latin America and Sub-Saharan Africa, and rose in Eastern Europe and Central Asia. The two main proximate causes of the disappointing rate of poverty reduction: too little economic growth in many of the poorest countries, and persistent inequalities (in both income and other essential measures) that kept the poor from participating in the growth that did occur. This paper-a product of Poverty and Human Resources, Development Research Group-is part of a larger effort in the group to monitor progress against poverty in the developing world. The authors may be contacted at schenworldbank.org or mravallion@worldbank.org
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  • 99
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (1 online resource (42 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin Identifying Welfare Effects from Subjective Questions
    Keywords: Bank ; Current Income ; Economic Theory and Research ; Finance and Financial Sector Development ; Financial Literacy ; Financial Support ; Future Incomes ; Household Income ; Household Incomes ; Income ; Incomes ; Inequality ; Information ; Labor Policies ; Macroeconomics and Economic Growth ; Money ; Monthly Income ; Personality Tra Personality Traits ; Population ; Poverty Diagnostics ; Poverty Impact Evaluation ; Poverty Monitoring and Analysis ; Poverty Reduction ; Psychological Traits ; Questionnaire ; Savings ; Services and Transfers to Poor ; Social Protections and Labor ; Unemployed ; Unemployment ; Welfare ; Bank ; Current Income ; Economic Theory and Research ; Finance and Financial Sector Development ; Financial Literacy ; Financial Support ; Future Incomes ; Household Income ; Household Incomes ; Income ; Incomes ; Inequality ; Information ; Labor Policies ; Macroeconomics and Economic Growth ; Money ; Monthly Income ; Personality Tra Personality Traits ; Population ; Poverty Diagnostics ; Poverty Impact Evaluation ; Poverty Monitoring and Analysis ; Poverty Reduction ; Psychological Traits ; Questionnaire ; Savings ; Services and Transfers to Poor ; Social Protections and Labor ; Unemployed ; Unemployment ; Welfare
    Abstract: March 2000 - In subjective surveys, people who become ill or lose their jobs report reduced well-being, even if they later get a job. Perhaps their exposure to uninsured risk outside the formal employment sector reduces their expectations about future income. Do potential biases cloud the inferences that can be drawn from subjective surveys? Ravallion and Lokshin argue that the welfare inferences drawn from subjective answers to questions on qualitative surveys are clouded by concerns about the structure of measurement errors and how latent psychological factors influence observed respondent characteristics. They propose a panel data model that allows more robust tests. In applying the model to high-quality panel data for Russia for 1994-96, they find that some results widely reported in past studies of subjective well-being appear to be robust but others do not. Household income, for example, is a highly significant predictor of self-rated economic welfare; per capita income is a weaker predictor. Ill health and loss of a job reduce self-reported economic welfare, but demographic effects are weak at a given current income. And the effect of unemployment is not robust. Returning to work does not restore a sense of welfare unless there is an income gain. The results imply that even transient unemployment brings the feeling of a permanent welfare loss, suggesting that high unemployment benefits do not attract people out of work but do discourage a return to work. This paper - a product of Poverty and Human Resources, Development Research Group - is part of a larger effort in the group to understand the relationship between subjective and objective economic welfare. The authors may be contacted at mravallionworldbank.org and mlokshin@worldbank.org
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  • 100
    Language: English
    Pages: Online-Ressource (1 online resource (36 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Ravallion, Martin Income Gains to the Poor from Workfare
    Keywords: Communities & Human Settlements ; Counterfactual ; Economic Theory and Research ; Evaluation ; Experimental Design ; Experimental Methods ; Finance and Financial Sector Development ; Financial Literacy ; Health Systems Development and Reform ; Health, Nutrition and Population ; Household Income ; Housing and Human Habitats ; Impact Evaluation ; Income ; Income ; Inequality ; Intervention ; Labor Policies ; Macroeconomics and Economic Growth ; Matching Methods ; Outcomes ; Participation ; Poverty ; Poverty Impact Evaluation ; Poverty Measures ; Poverty Monitoring and Analysis ; Poverty Reduction ; Programs ; Projects ; Reflexive Comparisons ; Research ; Sampling ; Services and Transfers to Poor ; Social Protections and Labor ; Surveys ; Targeting ; Communities & Human Settlements ; Counterfactual ; Economic Theory and Research ; Evaluation ; Experimental Design ; Experimental Methods ; Finance and Financial Sector Development ; Financial Literacy ; Health Systems Development and Reform ; Health, Nutrition and Population ; Household Income ; Housing and Human Habitats ; Impact Evaluation ; Income ; Income ; Inequality ; Intervention ; Labor Policies ; Macroeconomics and Economic Growth ; Matching Methods ; Outcomes ; Participation ; Poverty ; Poverty Impact Evaluation ; Poverty Measures ; Poverty Monitoring and Analysis ; Poverty Reduction ; Programs ; Projects ; Reflexive Comparisons ; Research ; Sampling ; Services and Transfers to Poor ; Social Protections and Labor ; Surveys ; Targeting
    Abstract: July 1999 - A workfare program was introduced in response to high unemployment in Argentina. An ex-post evaluation using matching methods indicates that the program generated sizable net income gains to generally poor participants. Jalan and Ravallion use propensity-score matching methods to estimate the net income gains to families of workers participating in an Argentinian workfare program. The methods they propose are feasible for evaluating safety net interventions in settings in which many other methods are not feasible. The average gain is about half the gross wage. Even allowing for forgone income, the distribution of gains is decidedly pro-poor. More than half the beneficiaries are in the poorest decile nationally and 80 percent of them are in the poorest quintile - reflecting the self-targeting feature of the program design. Average gains for men and women are similar, but gains are higher for younger workers. Women's greater participation would not enhance average income gains, and the distribution of gains would worsen. Greater participation by the young would raise average gains but would also worsen the distribution. This paper - a product of Poverty and Human Resources, Development Research Group - is part of a larger effort in the group to improve methods for evaluating the poverty impact of Bank-supported programs. The authors may be contacted at jjalanisid.ac.in or mravallion@worldbank.org
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