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All That Glitters Is Not Gold : Polarization Amid Poverty Reduction in Ghana
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Year: 2016 Publisher: Washington, D.C. : The World Bank,

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Ghana is an exceptional case in the Sub-Saharan Africa landscape. Together with a handful of other countries, Ghana offers the opportunity to analyze the distributional changes in the past two decades, since four comparable household surveys are available. In addition, different from many other countries in the continent, Ghana's rapid growth translated into fast poverty reduction. A closer look at the distributional changes that occurred in the same period, however, suggests less optimism. The present paper develops an innovative methodology to analyze the distributional changes that occurred and their drivers, with a high degree of accuracy and granularity. Looking at the results from 1991 to 2012, the paper documents how the distributional changes hollowed out the middle of the Ghanaian household consumption distribution and increased the concentration of households around the highest and lowest deciles; there was a clear surge in polarization indeed. When looking at the drivers of polarization, household characteristics, educational attainment, and access to basic infrastructure all tended to increase over time the size of the upper and lower tails of the consumption distribution and, as a consequence, the degree of polarization.


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The Devil Is in the Details : Growth, Polarization, and Poverty Reduction in Africa in the Past Two Decades
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Year: 2018 Publisher: Washington, D.C. : The World Bank,

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This paper investigates the distributional changes that limited pro-poor growth in the past two decades in Sub-Saharan Africa; these changes went undetected by standard inequality measures. By developing a new decomposition technique based on a nonparametric method-the relative distribution-the paper finds a clear distributional pattern affecting almost all the analyzed countries. Nineteen of 24 countries experienced a significant increase in polarization, particularly in the lower tail of the distribution, and this distributional change lowered the pro-poor impact of growth substantially. Without this change, poverty could have decreased an additional 5-6 percentage points during the past decade.


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When Do Gender Wage Differences Emerge? : A Study of Azerbaijan's Labor Market
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Year: 2016 Publisher: Washington, D.C. : The World Bank,

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Building on recent analyses that find a sizeable overall gender wage gap in Azerbaijan's workforce, this paper uses data on young workers in their early years in the labor market to understand how gender wage gaps evolve over time, if at all. The paper uses a unique database from a survey of young people ages 15-29 years. The analysis provides evidence that new labor market entrants begin with little or no gender differences in earnings, but a wage gap gradually emerges over time closer to the childbearing years. The gender wage gap grows from virtually zero, or even a small, positive gap in favor of women, until age 20 years, to about 20 percent two years later and even more than 30 percent at age 29 years. The gap in labor supply rises from almost zero to about 20 percent during the years from 19 to 22, while the gap in hours worked falls from positive (up to six hours per week more than their male counterparts) to negative (up to five hours per week less) over the same period in the life cycle. When decomposing the gap at different deciles of the wage distribution, it appears that most of it is at the lower and upper ends of the distribution, among young adults and prime-age workers. Selection of women into employment is strong and strongly skill-based: when controlling for sample selection bias, the gender gap becomes positive.


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From Farms to Factories and Firms : Structural Transformation and Labor Productivity Growth in Malaysia
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Year: 2020 Publisher: Washington, D.C. : The World Bank,

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This study aims to provide a quantitative and integrated analysis of long-term structural transformation and labor productivity growth in Malaysia. Using data from the Department of Statistics Malaysia from 1987 to 2018 and decompositions that take account of the static and dynamic efficiency gains from labor reallocation, it documents that Malaysia has undergone structural transformation from an agriculture-driven to a services-driven economy. However, in contrast to common perceptions, the country's impressive growth in output per capita over the past three decades can largely be attributed not to its structural transformation but instead to sustained growth in within-sector labor productivity. At 3 percent, the contribution of between-sector reallocation of labor to growth in output per capita in Malaysia has been relatively low. Accordingly, together with efforts to spur the more productive reallocation of labor across sectors and positively affect the employment rate, the main policy challenge for Malaysia going forward will be to achieve sustainable labor productivity growth within various sectors.


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Oil Price Risks and Pump Price Adjustments
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Year: 2012 Publisher: Washington, D.C., The World Bank,

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Between 1999 and 2008, world oil prices more than quadrupled in real terms. For oil importers, vulnerability to oil price increases, defined as the share of gross domestic product spent on net oil imports, rose considerably. Considering medians, low-income countries had the highest vulnerability in 2008 and the highest increase in vulnerability between 1999 and 2008. When changes in vulnerability were decomposed into several contributing factors, more than two-thirds of 170 countries studied were found to have offset the increase in the value of oil consumption by reducing the oil intensity of gross domestic product. Oil intensity fell in more than half the countries in every income group and in every region of the world, driven by falling energy intensity and, to a lesser extent, the oil share of energy. This study also examines the degree of pass-through to consumers of increases in world prices of gasoline, diesel, kerosene, and liquefied petroleum gas between January 2009 and January 2012, when oil prices in nominal U.S. dollars more than doubled. Retail fuel prices varied by two orders of magnitude in 2012, and oil-exporting countries were far less likely to pass on price increases. Gasoline had the highest pass-through, followed by diesel, liquefied petroleum gas, and kerosene. The median pass-through increased with income for gasoline, diesel, and kerosene, but was highest in low-income countries for liquefied petroleum gas. Despite divergent pricing policies, the pass-through coefficients of different fuels were strongly positively correlated, suggesting that the degrees to which domestic prices tracked world prices were comparable for the four fuels in many countries.


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Energy-Water Nexus
Authors: --- ---
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Water is necessary to produce energy, and energy is required to pump, treat, and transport water. The energy–water nexus examines the interactions between these two inextricably linked elements. This Special Issue aims to explore a single "system of systems" for the integration of energy systems. This approach considers the relationships between electricity, thermal, and fuel systems; and data and information networks in order to ensure optimal integration and interoperability across the entire spectrum of the energy system. This framework for the integration of energy systems can be adapted to evaluate the interactions between energy and water. This Special Issue focuses on the analysis of water interactions with and dependencies on the dynamics of the electricity sector and the transport sector


Book
Energy-Water Nexus
Authors: --- ---
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

Water is necessary to produce energy, and energy is required to pump, treat, and transport water. The energy–water nexus examines the interactions between these two inextricably linked elements. This Special Issue aims to explore a single "system of systems" for the integration of energy systems. This approach considers the relationships between electricity, thermal, and fuel systems; and data and information networks in order to ensure optimal integration and interoperability across the entire spectrum of the energy system. This framework for the integration of energy systems can be adapted to evaluate the interactions between energy and water. This Special Issue focuses on the analysis of water interactions with and dependencies on the dynamics of the electricity sector and the transport sector


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Revisiting Between-Group Inequality Measurement : An Application To the Dynamics of Caste Inequality in Two Indian Villages
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Year: 2010 Publisher: Washington, D.C., The World Bank,

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Standard approaches to decomposing how much group differences contribute to inequality rarely show significant between-group inequality, and are of limited use in comparing populations with different numbers of groups. This study applies an adaptation to the standard approach that remedies these problems to longitudinal household data from two Indian villages - Palanpur in the north, and Sugao in the west. The authors find that in Palanpur the largest scheduled caste group failed to share in the gradual rise in village prosperity. This would not have emerged from standard decomposition analysis. However, in Sugao the alternative procedure did not yield any additional insights because income gains applied relatively evenly across castes.


Book
Revisiting Between-Group Inequality Measurement : An Application To the Dynamics of Caste Inequality in Two Indian Villages
Authors: ---
Year: 2010 Publisher: Washington, D.C., The World Bank,

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Abstract

Standard approaches to decomposing how much group differences contribute to inequality rarely show significant between-group inequality, and are of limited use in comparing populations with different numbers of groups. This study applies an adaptation to the standard approach that remedies these problems to longitudinal household data from two Indian villages - Palanpur in the north, and Sugao in the west. The authors find that in Palanpur the largest scheduled caste group failed to share in the gradual rise in village prosperity. This would not have emerged from standard decomposition analysis. However, in Sugao the alternative procedure did not yield any additional insights because income gains applied relatively evenly across castes.


Book
Energy-Water Nexus
Authors: --- ---
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

Water is necessary to produce energy, and energy is required to pump, treat, and transport water. The energy–water nexus examines the interactions between these two inextricably linked elements. This Special Issue aims to explore a single "system of systems" for the integration of energy systems. This approach considers the relationships between electricity, thermal, and fuel systems; and data and information networks in order to ensure optimal integration and interoperability across the entire spectrum of the energy system. This framework for the integration of energy systems can be adapted to evaluate the interactions between energy and water. This Special Issue focuses on the analysis of water interactions with and dependencies on the dynamics of the electricity sector and the transport sector

Keywords

History of engineering & technology --- waste heat recovery --- absorption cooling --- water–energy nexus --- steelworks --- TRNSYS --- non-equilibrium molecular dynamics --- deformed carbon nanotubes --- deformed boron nitride nanotubes --- water transport --- diffusion --- Z-distortion --- XY-distortion --- screw distortion --- oil/water separation --- superhydrophilic/underwater-superoleophobic membranes --- opposite properties --- superhydrophobicity/superoleophilicity --- selective wettability --- micro/nanoscale composite structure --- virtual water network --- inter-provincial electricity transmission --- structural decomposition analysis --- electricity-water nexus --- cooling tower --- response surface model --- water --- power plant --- decarbonization --- energy concepts --- long-term energy storage --- power-to-gas --- power-to-X --- wastewater treatment --- anaerobic digestion --- water-energy nexus --- demand response --- energy consumption optimization --- multi-objective model --- urban water system --- local water supply --- electricity demand --- index decomposition analysis --- waste heat recovery --- absorption cooling --- water–energy nexus --- steelworks --- TRNSYS --- non-equilibrium molecular dynamics --- deformed carbon nanotubes --- deformed boron nitride nanotubes --- water transport --- diffusion --- Z-distortion --- XY-distortion --- screw distortion --- oil/water separation --- superhydrophilic/underwater-superoleophobic membranes --- opposite properties --- superhydrophobicity/superoleophilicity --- selective wettability --- micro/nanoscale composite structure --- virtual water network --- inter-provincial electricity transmission --- structural decomposition analysis --- electricity-water nexus --- cooling tower --- response surface model --- water --- power plant --- decarbonization --- energy concepts --- long-term energy storage --- power-to-gas --- power-to-X --- wastewater treatment --- anaerobic digestion --- water-energy nexus --- demand response --- energy consumption optimization --- multi-objective model --- urban water system --- local water supply --- electricity demand --- index decomposition analysis

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