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  • Washington, D.C : The World Bank  (11)
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  • 1
    Online Resource
    Online Resource
    Drug Trafficking and Violence in Central America and Beyond (2011)
    Washington, D.C : The World Bank
    Details
    Language: English
    Pages: 1 Online-Ressource
    Series Statement: World Development Report Background Papers
    Series Statement: World Bank E-Library Archive
    Abstract: This paper examines the relationship between narcotics trafficking and violence in Central America. The first part of the paper addresses particular questions posed for the 2011 World Development Report and examines several competing hypothesis on the drivers of crime in Central America. A key finding is that areas exposed to intense narcotics trafficking in Central America suffer from higher homicide rates. Drug trafficking has corrupted state institutions, which have been overwhelmed by the resources deployed by trafficking organizations. The second part of the paper reviews the reasons drug trafficking and anti trafficking enforcement are associated with violence in general and consider policy options
    DOI: 10.1596/27333
    URL: Volltext  (Deutschlandweit zugänglich)
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    Online Resource
    MPI Ethno. Forsch.
  • 2
    Online Resource
    Online Resource
    Challenges and Opportunities of Mobile Phone-Based Data Collection : Evidence from South Sudan (2013)
    Washington, D.C : The World Bank
    Details
    Language: English
    Pages: Online-Ressource (33 p)
    Edition: 2013 World Bank eLibrary
    Parallel Title: Demombynes, Gabriel Challenges and Opportunities of Mobile Phone-Based Data Collection
    Abstract: The proliferation of mobile phones in developing countries has generated a wave of interest in collecting high-frequency socioeconomic surveys using this technology. This paper considers lessons from one such survey effort in a difficult environment-the South Sudan Experimental Phone Survey, which gathered data on living conditions, access to services, and citizen attitudes via monthly interviews by phones provided to respondents. Non-response, particularly in later rounds of the survey, was a substantial problem, largely due to erratic functioning of the mobile network. However, selection due to non-response does not appear to have markedly affected survey results. Response rates were much higher for respondents who owned their own phones. Both compensation provided to respondents in the form of airtime and the type of phone (solar-charged or traditional) were varied experimentally. The type of phone was uncorrelated with response rates and, contrary to expectation, attrition was slightly higher for those receiving the higher level of compensation. The South Sudan Experimental Phone Survey experience suggests that mobile phones can be a viable means of data collection for some purposes, that calling people on their own phones is preferred to handing out phones, and that careful attention should be given to the potential for selective non-response
    DOI: 10.1596/1813-9450-6321
    URL: Volltext  (Deutschlandweit zugänglich)
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    Online Resource
    MPI Ethno. Forsch.
  • 3
    Online Resource
    Online Resource
    Kenya's Mobile Revolution and the Promise of Mobile Savings (2012)
    Washington, D.C : The World Bank
    Details
    Language: English
    Pages: Online-Ressource (32 p)
    Edition: 2012 World Bank eLibrary
    Parallel Title: Demombynes, Gabriel Kenya's Mobile Revolution and the Promise of Mobile Savings
    Abstract: The mobile revolution has transformed the lives of Kenyans, providing not just communications but also basic financial access in the form of phone-based money transfer and storage, led by the M-PESA system introduced in 2007. Currently, 93 percent of Kenyans are mobile phone users and 73 percent are mobile money customers. Additionally, 23 percent use mobile money at least once a day. New potential for mobile money has come with the rise of interest-earning bank-integrated mobile savings systems, beginning with the launch of the M-KESHO system in March 2010. The authors examine the mobile savings phenomenon, using data collected in a special survey in late 2010. They show that the usage of bank-integrated mobile savings systems like M-KESHO remains limited and largely restricted to better-off Kenyans. However, what the authors term "basic mobile savings"-the use of simple mobile money systems as a repository for funds-is widespread, including among those who are otherwise unlikely to have any savings. Holding other characteristics constant, those who are registered for M-PESA are 32 percent more likely to report having some savings
    DOI: 10.1596/1813-9450-5988
    URL: Volltext  (Deutschlandweit zugänglich)
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    Online Resource
    MPI Ethno. Forsch.
  • 4
    Online Resource
    Online Resource
    Connecting The Unobserved Dots : A Decomposition Analysis of Changes In Earnings Inequality In Urban Argentina, 1980-2002 (2008)
    Washington, D.C : The World Bank
    Details
    Language: English
    Pages: Online-Ressource (1 online resource (40 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Demombynes, Gabriel Connecting The Unobserved Dots
    Keywords: Access and Equity in Basic Education ; Debt Markets ; Earnings Inequality ; Education ; Education for All ; Finance and Financial Sector Development ; Household Survey ; Labor Markets ; Minimum wage ; Primary Education ; Salaried employment ; Salaried workers ; Skilled workers ; Social Protections and Labor ; Union membership ; Wage distribution ; Wage employment ; Wage inequality ; Access and Equity in Basic Education ; Debt Markets ; Earnings Inequality ; Education ; Education for All ; Finance and Financial Sector Development ; Household Survey ; Labor Markets ; Minimum wage ; Primary Education ; Salaried employment ; Salaried workers ; Skilled workers ; Social Protections and Labor ; Union membership ; Wage distribution ; Wage employment ; Wage inequality ; Access and Equity in Basic Education ; Debt Markets ; Earnings Inequality ; Education ; Education for All ; Finance and Financial Sector Development ; Household Survey ; Labor Markets ; Minimum wage ; Primary Education ; Salaried employment ; Salaried workers ; Skilled workers ; Social Protections and Labor ; Union membership ; Wage distribution ; Wage employment ; Wage inequality
    Abstract: There are several possible explanations for the observed changes in inequality, the returns to education, and the gap between the wages of informal and formal salaried workers in Argentina over the period 1980-2002. Largely due to the lack of evidence for competing explanations, skill-biased technical change is the most likely explanation for the increases in the returns to education that occurred in the 1990s. Using a semi-parametric re-weighting variance decomposition technique and data from the Permanent Household Survey, the authors show that during the same period there was an increase in the returns to unobserved skill. This finding lends support to the hypothesis that skill-biased technical change has been a main driver of increases in inequality in Argentina. The pattern of changes suggests that the growth in returns to unobserved skill may have been partly responsible for the relative deterioration of informal salaried wages during the 1990s
    URL: Volltext  (Deutschlandweit zugänglich)
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    Online Resource
    MPI Ethno. Forsch.
  • 5
    Online Resource
    Online Resource
    What has Driven the Decline of Infant Mortality in Kenya? (2012)
    Washington, D.C : The World Bank
    Details
    Language: English
    Pages: Online-Ressource (48 p)
    Edition: 2012 World Bank eLibrary
    Parallel Title: Gabriel Demombynes What has Driven the Decline of Infant Mortality in Kenya?
    Abstract: Substantial declines in infant and under-5 mortality have taken place in recent years in many countries in Sub-Saharan Africa. Kenya's infant mortality rate has fallen by 7.6 percent per year, the fastest rate of decline among the 20 countries in the region for which recent Demographic and Health Survey data is available. Kenya's rate of postneonatal deaths per 1,000 live births fell by more than half over a five-year period, dropping from 47 to 22, as measured using data from the 2003 and 2008-09 Demographic and Health Surveys. Among the possible causes of the decline are various targeted new public health initiatives and improved access to water and sanitation. A Oaxaca-Blinder decomposition using Demographic and Health Survey data shows that the increased ownership of insecticide-treated bednets in endemic malaria zones explains 39 percent of the decline in postneonatal mortality and 58 percent of the decline in infant mortality. Changes in other observable candidate factors do not explain substantial portions of the decline. The portion of the decline not explained may be associated with generalized trends such as the overall improvement in living standards that has taken place with economic growth. The widespread ownership of insecticide-treated bednets in areas of Kenya where malaria is rare suggests that better targeting of insecticide-treated bednet provision programs could improve the cost-effectiveness of such programs
    DOI: 10.1596/1813-9450-6057
    URL: Volltext  (Deutschlandweit zugänglich)
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  • 6
    Online Resource
    Online Resource
    How Good A Map ? : Putting Small Area Estimation To The Test (2007)
    Washington, D.C : The World Bank
    Details
    Language: English
    Pages: Online-Ressource (1 online resource (41 p.))
    Edition: Online-Ausg. World Bank E-Library Archive
    Parallel Title: Demombynes, Gabriel How Good A Map ?
    Keywords: Capital Expenditure ; Degrees of Freedom ; Delta Method ; Econometrics ; Education ; Estimates of Poverty ; Explanatory Variables ; Finance and Financial Sector Development ; Health, Nutrition and Population ; Household Survey ; Household Survey Data ; Households ; Macroeconomics and Economic Growth ; Parameter Estimates ; Population ; Population Policies ; Poverty Reduction ; Profit ; Rural Development ; Rural Poverty Reduction ; Science Education ; Science and Technology Development ; Scientific Research and Science Parks ; Small Area Estimation Poverty Mapping ; Statistical and Mathematical Sciences ; Capital Expenditure ; Degrees of Freedom ; Delta Method ; Econometrics ; Education ; Estimates of Poverty ; Explanatory Variables ; Finance and Financial Sector Development ; Health, Nutrition and Population ; Household Survey ; Household Survey Data ; Households ; Macroeconomics and Economic Growth ; Parameter Estimates ; Population ; Population Policies ; Poverty Reduction ; Profit ; Rural Development ; Rural Poverty Reduction ; Science Education ; Science and Technology Development ; Scientific Research and Science Parks ; Small Area Estimation Poverty Mapping ; Statistical and Mathematical Sciences ; Capital Expenditure ; Degrees of Freedom ; Delta Method ; Econometrics ; Education ; Estimates of Poverty ; Explanatory Variables ; Finance and Financial Sector Development ; Health, Nutrition and Population ; Household Survey ; Household Survey Data ; Households ; Macroeconomics and Economic Growth ; Parameter Estimates ; Population ; Population Policies ; Poverty Reduction ; Profit ; Rural Development ; Rural Poverty Reduction ; Science Education ; Science and Technology Development ; Scientific Research and Science Parks ; Small Area Estimation Poverty Mapping ; Statistical and Mathematical Sciences
    Abstract: The authors examine the performance of small area welfare estimation. The method combines census and survey data to produce spatially disaggregated poverty and inequality estimates. To test the method, they compare predicted welfare indicators for a set of target populations with their true values. They construct target populations using actual data from a census of households in a set of rural Mexican communities. They examine estimates along three criteria: accuracy of confidence intervals, bias, and correlation with true values. The authors find that while point estimates are very stable, the precision of the estimates varies with alternative simulation methods. While the original approach of numerical gradient estimation yields standard errors that seem appropriate, some computationally less-intensive simulation procedures yield confidence intervals that are slightly too narrow. The precision of estimates is shown to diminish markedly if unobserved location effects at the village level are not well captured in underlying consumption models. With well specified models there is only slight evidence of bias, but the authors show that bias increases if underlying models fail to capture latent location effects. Correlations between estimated and true welfare at the local level are highest for mean expenditure and poverty measures and lower for inequality measures
    URL: Volltext  (Deutschlandweit zugänglich)
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  • 7
    Online Resource
    Online Resource
    Students and the market for schools in Haiti (2010)
    Washington, D.C : The World Bank
    Details
    Language: English
    Pages: Online-Ressource (39 p)
    Edition: 2010 World Bank eLibrary
    Parallel Title: Demombynes, Gabriel Students and the market for schools in Haiti
    Abstract: Uniquely among Latin American and Caribbean countries, Haiti has a largely non-public education system. Prior to the earthquake of January 2010, just 19 percent of primary school students were enrolled in public schools, with the remainder enrolled in a mix of religious, for-profit, and non-governmental organization-funded schools. This paper examines changes in Haitian schooling patterns in the last century and shows the country experienced tremendous growth in school attainment, driven almost entirely by growth in the private sector. Additionally, it provides evidence that the private market “works” to the extent that primary school fees are higher for schools with characteristics associated with education quality. The paper also analyzes the demand and supply determinants of school attendance and finds that household wealth is a major determinant of attendance. Given these findings, the authors conclude that in the near-term paying school fees for poor students may be an effective approach to expanding schooling access in Haiti
    DOI: 10.1596/1813-9450-5503
    URL: Volltext  (Deutschlandweit zugänglich)
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  • 8
    Online Resource
    Online Resource
    When does rigorous impact evaluation make a difference? : the case of the millennium villages (2010)
    Washington, D.C : The World Bank
    Details
    Language: English
    Pages: Online-Ressource (54 p)
    Edition: 2010 World Bank eLibrary
    Parallel Title: Clemens, Michael A When does rigorous impact evaluation make a difference?
    Abstract: When is the rigorous impact evaluation of development projects a luxury, and when a necessity? This Paper studies one high-profile case: the Millennium Villages Project (MVP), an experimental and intensive package intervention to spark sustained local economic development in rural Africa. it illustrates the benefits of rigorous impact evaluation in this setting by showing that estimates of the project's effects depend heavily on the evaluation method. Comparing trends at the MVP intervention sites in Kenya, Ghana, and Nigeria to trends in the surrounding areas yields much more modest estimates of the project's effects than the before-versus-after comparisons published thus far by the MVP. Neither approach constitutes a rigorous impact evaluation of the MVP, which is impossible to perform due to weaknesses in the evaluation design of the project's initial phase. These weaknesses include the subjective choice of intervention sites, the subjective choice of comparison sites, the lack of baseline data on comparison sites, the small sample size, and the short time horizon. The authors describe how the next wave of the intervention could be designed to allow proper evaluation of the MVP's impact at little additional cost
    DOI: 10.1596/1813-9450-5477
    URL: Volltext  (Deutschlandweit zugänglich)
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  • 9
    Online Resource
    Online Resource
    Undernutrition in the Philippines : Scale, Scope, and Opportunities for Nutrition Policy and Programming (2021)
    Washington, D.C : The World Bank
    Details
    Language: English
    Pages: 1 Online-Ressource (198 pages)
    Series Statement: International Development in Focus
    Parallel Title: Erscheint auch als
    Parallel Title: Erscheint auch als Mbuya, Nkosinath V. N. Undernutrition in the Philippines
    Keywords: Unterernährung ; Ernährungssicherung ; Ernährungspolitik ; Philippinen
    Abstract: For nearly 30 years, the rates of both wasting and stunting in the Philippines have been nearly flat. For 2019, the rate of stunting among children under five years of age (28.8 percent) was only slightly lower than in 2008 (32 percent)-the prevalence of underweight in 2019 was 19 percent and that of wasting was 6 percent. Based on the World Health Organization's classification of undernutrition rates, the stunting prevalence of children in the Philippines is of "very high"? public health significance. The Philippines' 29 percent stunting rate places it fifth among countries in the East Asia and Pacific region, and among the top 10 countries globally. The Philippines' high levels of childhood undernutrition can lead to a staggering loss of the country's human and economic potential. The burden on the Philippines' economy brought by childhood undernutrition was estimated at USD 4.4 billion, or 1.5 percent of the country's GDP, in 2015. Undernutrition robs Filipino children of their chance at a bright future. When viewed through the lens of the World Bank's Human Capital Index (HCI), the country's 2020 HCI score of 0.52 predicts that the future productivity of children born today will be 48 percent below what they might achieve if they were to enjoy complete education and full health. Undernutrition in the Philippines: Scale, Scope, and Opportunities for Nutrition Policy and Programming presents a comprehensive, analytical work on this topic. It provides evidence of why it is critical that the government of the Philippines prioritize tackling this persistent challenge. The report assesses the determinants and causes of childhood undernutrition and reviews current policies and programs directed at addressing this problem. Based on these analyses, the report provides recommendations of how national policies and programs can be strengthened to reduce the high rates of undernutrition in the country. It sets out to inform the debate on the causes and potential solutions of undernutrition while identifying high-priority policies and policy commitments for action
    DOI: 10.1596/978-1-4648-1701-4
    URL: Deutschlandweit zugänglich
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  • 10
    Online Resource
    Online Resource
    COVID-19 Age-Mortality Curves for 2020 are Flatter in Developing Countries using Both Official Death Counts and Excess Deaths (2021)
    Washington, D.C : The World Bank
    Details
    Language: English
    Pages: 1 Online-Ressource (29 pages)
    Parallel Title: Erscheint auch als Print Version: Demombynes, Gabriel COVID-19 Age-Mortality Curves for 2020 are Flatter in Developing Countries using Both Official Death Counts and Excess Deaths
    Keywords: Coronavirus ; COVID-19 ; Disease Control and Prevention ; Excess Mortality ; Health Indicators ; Health, Nutrition and Population ; Pandemic Impact
    Abstract: Using official COVID-19 death counts for 64 countries and excess death estimates for 41 countries, this paper finds a higher share of pandemic-related deaths in 2020 were at younger ages in middle-income countries compared to high-income countries. People under age 65 constituted on average (1) 11 percent of both official deaths and excess deaths in high-income countries, (2) 40 percent of official deaths and 37 percent of excess deaths in upper-middle-income countries, and (3) 54 percent of official deaths in lower-middle-income countries. These contrasting profiles are due only in part to differences in population age structure. Both COVID-19 and excess death age-mortality curves are flatter in countries with lower incomes. This is a result of some combination of variation in age patterns of infection rates and infection fatality rates. In countries with very low death rates, excess mortality is substantially negative at older ages, suggesting that pandemic-related precautions have lowered non-COVID-19 deaths. Additionally, the United States has a younger distribution of deaths than countries with similar levels of income
    DOI: 10.1596/1813-9450-9807
    URL: Deutschlandweit zugänglich
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