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  • Dang, Hai-Anh H.
  • Washington, D.C : The World Bank  (17)
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  • 1
    Language: English
    Pages: 1 Online-Ressource (72 pages)
    Parallel Title: Erscheint auch als Pullinger, John Reviewing Assessment Tools for Measuring Country Statistical Capacity
    Keywords: Economic Development ; Macroeconomics and Economic Growth ; National Statistical System ; Statistical Capacity ; Statistical Capacity Index ; Statistical Indicators ; Statistical Performance
    Abstract: Country statistical capacity is increasingly recognized as crucial for development, but no academic study exists that reviews the available assessment tools. This paper offers the first review study that fills this gap, paying particular attention to data and practical measurement challenges. It compares the World Bank's recently developed Statistical Performance Indicators and Index with other widely used indexes, such as the Open Data Inventory index, the Global Data Barometer index, and other regional and self-assessment tools. The findings show that each index brings advantages in data sources, number of indicators, measurement focus, coverage of countries and time periods, and correlation with common development indexes. The Open Data Inventory index covers the most countries, the Global Data Barometer index collects data through its surveys, and the Statistical Performance Indicators and Index offer a broader framework for assessing statistical systems. The paper offers further thoughts on the potential mechanisms through which these tools can bring positive impacts on economic activities and some political economy concerns, as well as future directions for development
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  • 2
    Language: English
    Pages: 1 Online-Ressource (59 pages)
    Parallel Title: Erscheint auch als Trinh, Trong-Anh Does Global Warming Worsen Poverty and Inequality? An Updated Review
    Keywords: Chronic Poverty ; Climate Change ; Climate Change Economics ; Climate Change Mitigation and Green House Gases ; Environment ; Global Warming ; Inequality ; Macroeconomics and Economic Growth ; Poverty ; Transient Poverty
    Abstract: This paper offers an updated and comprehensive review of recent studies on the impact of climate change, particularly global warming, on poverty and inequality, paying special attention to data sources as well as empirical methods. While studies consistently find negative impacts of higher temperature on poverty across different geographical regions, with higher vulnerability especially in poorer Sub-Saharan Africa, there is inconclusive evidence on climate change impacts on inequality. Further analysis of a recently constructed global database at the subnational unit level derived from official national household income and consumption surveys shows that temperature change has larger impacts in the short term and more impacts on chronic poverty than transient poverty. The results are robust to different model specifications and measures of chronic poverty and are more pronounced for poorer countries. The findings offer relevant inputs into current efforts to fight climate change
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  • 3
    Language: English
    Pages: 1 Online-Ressource (83 pages)
    Parallel Title: Erscheint auch als Dang, Hai-Anh H Does Hotter Temperature Increase Poverty and Inequality? Global Evidence from Subnational Data Analysis
    Keywords: Climate Change Inequity ; Inequality ; Poverty and Environment ; Poverty Reduction ; Subnational Data ; Temperature
    Abstract: Despite a vast literature documenting the harmful effects of climate change on various socio-economic outcomes, little evidence exists on the global impacts of hotter temperature on poverty and inequality. Analysis of a new global panel dataset of subnational poverty in 134 countries finds that a one-degree Celsius increase in temperature leads to a 9.1 percent increase in poverty, using the USD 1.90 daily poverty threshold. A similar increase in temperature causes a 1.4 percent increase in the Gini inequality index. The paper also finds negative effects of colder temperature on poverty and inequality. Yet, while poorer countries-particularly those in South Asia and Sub-Saharan Africa-are more affected by climate change, household adaptation could have mitigated some adverse effects in the long run. The findings provide relevant and timely inputs for the global fight against climate change as well as the current policy debate on the responsibilities of richer countries versus poorer countries
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  • 4
    Language: English
    Pages: 1 Online-Ressource (65 pages)
    Parallel Title: Erscheint auch als Dang, Hai-Anh H Do Refugees with Better Mental Health Better Integrate? Evidence from the Building a New Life in Australia Longitudinal Survey
    Keywords: Childrens Mental Health ; Communities and Human Settlements ; Conflict and Development ; Educational Performance ; Health, Nutrition and Population ; Human Migrations and Resettlements ; Instrumental Variable ; Involuntary Resettlement Law ; Kessler Mental Health Score ; Longitudinal Survey ; Mental Health ; Post-Resettlement Mental Health ; Refugee Host Country ; Refugee Labor Outcomes ; Refugees ; Social Networks ; Social Service ; Traumatic ; Voluntary and Involuntary Resettlement ; Wages
    Abstract: Hardly any evidence exists on the effects of mental illness on refugee labor outcomes. This paper offers the first study on this topic in the context of Australia, one of the host countries with the largest number of refugees per capita in the world. Analyzing the Building a New Life in Australia longitudinal survey, the paper exploits the variations in traumatic experiences of refugees interacted with post-resettlement time periods to causally identify the impacts of refugee mental health. The findings show that worse mental health, as measured by a one-standard-deviation increase in the Kessler mental health score, reduces the probability of employment by 14.1 percent and labor income by 26.8 percent. There is also evidence of adverse impacts of refugees' mental illness on their children's mental health and educational performance. These effects appear to be more pronounced for newly arriving refugees and those without social networks, but they may be ameliorated with government support
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  • 5
    Language: English
    Pages: 1 Online-Ressource (123 pages)
    Parallel Title: Erscheint auch als Print Version: Dang, Hai-Anh H Poverty Imputation in Contexts without Consumption Data: A Revisit with Further Refinements
    Keywords: Asset Wealth ; Demographic and Health Survey ; Educational Achievement ; Employment ; Household Survey ; Inequality ; Living Standards ; Poverty Lines ; Poverty Measurement ; Poverty Reduction ; Survey-To-Survey Imputation
    Abstract: A key challenge with poverty measurement is that household consumption data are often unavailable or infrequently collected or may be incomparable over time. In a development project setting, it is seldom feasible to collect full consumption data for estimating the poverty impacts. While survey-to-survey imputation is a cost-effective approach to address these gaps, its effective use calls for a combination of both ex-ante design choices and ex-post modeling efforts that are anchored in validated protocols. This paper refines various aspects of existing poverty imputation models using 14 multi-topic household surveys conducted over the past decade in Ethiopia, Malawi, Nigeria, Tanzania, and Vietnam. The analysis reveals that including an additional predictor that captures household utility consumption expenditures-as part of a basic imputation model with household-level demographic and employment variables-provides poverty estimates that are not statistically significantly different from the true poverty rates. In many cases, these estimates even fall within one standard error of the true poverty rates. Adding geospatial variables to the imputation model improves imputation accuracy on a cross-country basis. Bringing in additional community-level predictors (available from survey and census data in Vietnam) related to educational achievement, poverty, and asset wealth can further enhance accuracy. Yet, there is within-country spatial heterogeneity in model performance, with certain models performing well for either urban areas or rural areas only. The paper provides operationally-relevant and cost-saving inputs into the design of future surveys implemented with a poverty imputation objective and suggests directions for future research
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  • 6
    Language: English
    Pages: 1 Online-Ressource (67 pages)
    Parallel Title: Erscheint auch als Print Version: Dang, Hai-Anh H Statistical Performance Indicators and Index: A New Tool to Measure Country Statistical Capacity
    Abstract: The World Bank's Statistical Capacity Index has been widely employed to measure country statistical capacity since its inception two decades ago. This paper builds on the existing advantages of the Statistical Capacity Index, conceptually and empirically, to offer new statistical performance indicators and the Statistical Performance Index, which can better measure a country's statistical performance. The new index has clearer conceptual motivations, employs a stronger mathematical foundation, and significantly expands the number of indicators and countries covered. The paper further provides empirical evidence that illustrates the strong correlation of the new index with other commonly used development indicators of human capital, governance, poverty, and inequality. The framework can accommodate future directions to improve the index as the global data landscape evolves
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  • 7
    Language: English
    Pages: 1 Online-Ressource (58 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Dang, Hai-Anh H Well Begun, But Aiming Higher: A Review of Vietnam's Education Trends in the Past 20 Years and Emerging Challenges
    Abstract: Given its modest position as a lower-middle-income country, Vietnam stands out from the rest of the world with its remarkable performance on standardized test scores, school enrollment, and completed years of schooling. This paper provides an overview of the factors behind this exemplary performance, from an institutional viewpoint and by analyzing several data sources, some of which have rarely been used. The study finds that Vietnam has significantly increased school enrollment at all school levels in the past 20 years, and has achieved virtually universal primary school enrollment. Girls' net enrollment rates caught up with and then overtook those of boys at the secondary level in the past decade. Most of the variation in school enrollment and completed years of schooling was due to within-commune individual factors, rather than between-commune or between-province factors. School-level factors played an important, but diminishing, role in determining students' test scores, which was likely caused by a convergence in school quality in the country. The paper further discusses a host of challenges for the country-most of which have received insufficient attention to date-such as little school choice, a low secondary enrollment rate (compared with other Programme for International Student Assessment participants), inadequate training for the labor market, and the necessity of strategic planning for systemic reforms
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  • 8
    Language: English
    Pages: 1 Online-Ressource (45 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Dang, Hai-Anh H Is Poverty in Africa Mostly Chronic Or Transient? Evidence from Synthetic Panel Data
    Abstract: Absent actual panel household survey data, this paper constructs, for the first time, synthetic panel data for more than 20 countries accounting for two-thirds of the population in Sub-Saharan Africa. In this process, the analysis employs repeated cross sections that span, on average, a six-year period for each country. The analysis suggests that all these countries as a whole have had pro-poor growth. One-third of the poor population escaped poverty during the studied period, which is larger than the proportion of the population that fell into poverty in the same period. The region also saw a 9 percent reduction in poverty and a 28 percent increase in the size of the middle class. However, chronic poverty remains high, and a considerable proportion of the population is vulnerable to falling into poverty. There is some limited evidence that most resource-rich and middle-income countries have more upward mobility than downward mobility. Post-secondary education is especially strongly associated with higher upward mobility and less downward mobility, which holds to some extent for female-headed and urban households
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  • 9
    Language: English
    Pages: 1 Online-Ressource
    Series Statement: World Bank E-Library Archive
    Series Statement: Other papers
    Abstract: High resolution datasets of population density which accurately map sparsely distributed human populations do not exist at a global scale. Typically, population data is obtained using censuses and statistical modeling. More recently, methods using remotely-sensed data have emerged, capable of effectively identifying urbanized areas. Obtaining high accuracy in estimation of population distribution in rural areas remains a very challenging task due to the simultaneous requirements of sufficient sensitivity and resolution to detect very sparse populations through remote sensing as well as reliable performance at a global scale. Here, the authors present a computer vision method based on machine learning to create population maps from satellite imagery at a global scale, with a spatial sensitivity corresponding to individual buildings and suitable for global deployment
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  • 10
    Language: English
    Pages: 1 Online-Ressource (52 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Dang, Hai-Anh H Welfare Dynamics with Synthetic Panels : The Case of the Arab World in Transition
    Abstract: This paper studies welfare dynamics, especially changes associated with middle-class status in countries in the Middle East and North Africa, before and after the Arab Spring transitions, using objective and subjective welfare measures. Absent panel data, the analysis employs state-of-the-art synthetic panel techniques using repeated cross sections of expenditure data from household surveys and subjective well-being data from value surveys, which were conducted during the 2000s and the Arab Spring period. The objective welfare dynamics indicate mixed trends. About half the poor in the 2000s moved out of poverty by the end of the decade, but chronic poverty remained high; upward mobility was strong in Syria and Tunisia, but downward mobility was pronounced in Yemen and Egypt. Subjective well-being dynamics suggest negative evelopments in most countries during the Arab Spring transitions. Low education achievement, informal worker status, and rural residency are positively associated with lower than average chances for upward mobility, and greater than average chances for downward mobility according to both types of welfare measures
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  • 11
    Language: English
    Pages: 1 Online-Ressource (24 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Dang, Hai-Anh H Toward a new Definition of Shared Prosperity: A Dynamic Perspective from Three Countries
    Abstract: Macroeconomics and Economic Growth
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  • 12
    Language: English
    Pages: 1 Online-Ressource (48 p)
    Series Statement: World Bank E-Library Archive
    Parallel Title: Erscheint auch als Dang, Hai-Anh H Poverty Dynamics in India between 2004 and 2012: Insights from Longitudinal Analysis Using Synthetic Panel Data
    Abstract: Macroeconomics and Economic Growth
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  • 13
    Language: English
    Pages: Online-Ressource (56 p)
    Edition: 2014 World Bank eLibrary
    Parallel Title: Dang, Hai-Anh H Who Remained in Poverty, Who Moved up, and Who Fell Down?
    Keywords: 2005 - 2011 ; Armut ; Soziale Mobilität ; Panel ; Senegal
    Abstract: Poverty estimates based on cross-section data provide static snapshots of poverty rates. Although a time series of cross-section data can offer some insights into poverty trends, it does not allow for an assessment of dynamics at the household level. Such a dynamic perspective on poverty generally calls for panel data and this kind of analysis can usefully inform poverty reduction policy, notably the design of social protection interventions. Absent actual panel data for Senegal, this paper applies new statistical methods to construct synthetic panel data from two rounds of cross-section household surveys in 2005 and 2011. These data are used to study poverty transitions. The results suggest that, in marked contrast to the picture obtained from cross-section data, there exists a great deal of mobility in and out of poverty during this period. More than half the population experiences changes in its poverty status and more than two-thirds of the extreme (food) poor move up one or two welfare categories. Factors such as rural residence, disability, exposure to some kind of natural disaster, and informality in the labor market are associated with a heightened risk of falling into poverty. Belonging to certain ethnicities and factors such as migration, working in the non-agriculture sector, and having access to social capital are associated with a lower risk of falling into poverty
    URL: Volltext  (Deutschlandweit zugänglich)
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  • 14
    Language: English
    Pages: Online-Ressource (52 p)
    Edition: 2014 World Bank eLibrary
    Parallel Title: Dang, Hai-Anh H Welfare Dynamics Measurement
    Keywords: 2004 - 2009 ; Armut ; Soziale Mobilität ; Mittelschicht ; Panel ; USA ; Indien ; Vietnam
    Abstract: Little research currently exists on a vulnerability line that distinguishes the poor population from the population that is not poor but that still faces significant risk of falling back into poverty. This paper attempts to fill this gap by proposing vulnerability lines that can be straightforwardly estimated with panel or cross-sectional household survey data, in rich- and poor-country settings. These vulnerability lines offer a means to broaden traditional poverty analysis and can also assist with the identification of the middle class or resilient population groups. Empirical illustrations are provided using panel data from the United States (Panel Study of Income Dynamics) and Vietnam (Vietnam Household Living Standards Survey) for the period 2004-2008 and cross-sectional data from India (National Sample Survey) for the period 2004-2009. The estimation results indicate that in Vietnam and India during this time period, the population living in poverty and the middle class have been falling and expanding, respectively, while the opposite has been occurring in the United States
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  • 15
    Language: English
    Pages: Online-Ressource (56 p)
    Edition: 2014 World Bank eLibrary
    Parallel Title: Dang, Hai-Anh H Updating Poverty Estimates at Frequent Intervals in the Absence of Consumption Data
    Keywords: Armut ; Konsum ; Haushaltsstatistik ; Arbeitsmarktstatistik ; Jordanien
    Abstract: Obtaining consistent estimates on poverty over time as well as monitoring poverty trends on a timely basis is a priority concern for policy makers. However, these objectives are not readily achieved in practice when household consumption data are neither frequently collected, nor constructed using consistent and transparent criteria. This paper develops a formal framework for survey-to-survey poverty imputation in an attempt to overcome these obstacles, and to elevate the discussion of these methods beyond the largely ad-hoc efforts in the existing literature. The framework introduced here imposes few restrictive assumptions, works with simple variance formulas, provides guidance on the selection of control variables for model building, and can be generally applied to imputation either from one survey to another survey with the same design, or to another survey with a different design. Empirical results analyzing the Household Expenditure and Income Survey and the Unemployment and Employment Survey in Jordan are quite encouraging, with imputation-based poverty estimates closely tracking the direct estimates of poverty
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  • 16
    Language: English
    Pages: Online-Ressource (40 p)
    Edition: 2013 World Bank eLibrary
    Parallel Title: Dang, Hai-Anh H Private Tutoring in Vietnam
    Abstract: Building on the earlier work, this paper provides an updated review of the private tutoring phenomenon in Vietnam in several aspects, including the reasons, scale, intensity, form, cost, and legality of these classes. In particular, the paper offers a comparative analysis of the trends in private tutoring between 1998 and 2006 where data are available. Several (micro-) correlates are examined that are found to be strongly correlated with student attendance at tutoring, including household income, household head education and residence area, student current grade level, ethnicity, and household size. In particular, the analysis focuses on the last three variables, which have received little attention in the previous literature on the determinants of tutoring
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  • 17
    Language: English
    Pages: Online-Ressource (45 p)
    Edition: 2013 World Bank eLibrary
    Parallel Title: Dang, Hai-Anh H Incentives and Teacher Effort
    Abstract: Few would contest that teachers are a very important determinant of whether students learn in school. Yet, in the face of compelling evidence that many students are not learning what they are expected to learn, how to improve teacher performance has been the focus of much policy debate in rich and poor countries. This paper examines how incentives, both pecuniary and non-pecuniary, influence teacher effort. Using school survey data from Lao PDR, it estimates new measures of teacher effort, including the number of hours that teachers spend preparing for classes and teacher provision of private tutoring classes outside class hours. The estimation results indicate that teachers increase effort in response to non-pecuniary incentives, such as greater teacher autonomy over teaching materials, and monitoring mechanism, such as the existence of an active parent-teacher association and the ability of school principals to dismiss teachers. Methodologically, the paper provides a detailed derivation of a simultaneous ordinary least squares-probit model with school random effects that can jointly estimate teacher work hours and tutoring provision
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