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Institution

World Bank

OtherWashington D.C., District of Columbia, United States
About: World Bank is a other organization based out in Washington D.C., District of Columbia, United States. It is known for research contribution in the topics: Population & Poverty. The organization has 7813 authors who have published 21594 publications receiving 1198361 citations. The organization is also known as: World Bank, WB & The World Bank.


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TL;DR: The authors found that the change in the share of income of the poorest two quintiles in a global dataset spanning 118 countries over the past four decades is small and uncorrelated with changes in average income, implying that the latter accounts for most of the variation in income growth in the poorest quintiles.
Abstract: Incomes in the poorest two quintiles on average increase at the same rate as overall average incomes. This is because, in a global dataset spanning 118 countries over the past four decades, changes in the share of income of the poorest quintiles are generally small and uncorrelated with changes in average income. The variation in changes in quintile shares is also small relative to the variation in growth in average incomes, implying that the latter accounts for most of the variation in income growth in the poorest quintiles. These findings hold across most regions and time periods and when conditioning on a variety of country-level factors that may matter for growth and inequality changes. This evidence confirms the central importance of economic growth for poverty reduction and illustrates the difficulty of identifying specific macroeconomic policies that are significantly associated with the relative growth rates of those in the poorest quintiles.

284 citations

Journal ArticleDOI
Paul Collier1
TL;DR: This article investigated the effect of ethnic diversity on economic performance and found that diversity has various detrimental microeconomic effects, tending to reduce public sector performance, and has large detrimental effects on the overall growth rate.
Abstract: The paper investigates the effects of ethnic diversity on economic performance. Previous studies have found that diversity has various detrimental microeconomic effects, tending to reduce public sector performance, and has large detrimental effects on the overall growth rate. I develop a simple model of the effect of ethnic diversity on a government decision problem in which there is a tradeoff between growth and distribution, in the contexts of democracy and dictatorship. I find that in democracy ethnic diversity has no effect upon the decision, whereas in dictatorship ethnic diversity leads to a government choice which reduces the growth rate. I then test these propositions on two data sets. The first is for 94 countries over the period 1960–1990. I find that whether diversity adversely affects overall economic growth depends upon the political environment. Diversity is highly damaging to growth in the context of limited political rights, but is not damaging in democracies. The second is for World Bank projects in 89 countries. I find that the same relationship between diversity and democracy affects the proportion of projects which are successful.

283 citations

BookDOI
TL;DR: In this article, the authors summarized the existing decision-making methodologies that are able to deal with climate-related uncertainty, namely cost-benefit analysis under uncertainty, costbenefit analysis with real options, robust decision making, and climate informed decision analysis.
Abstract: While agreeing on the choice of an optimal investment decision is already difficult for any diverse group of actors, priorities, and world views, the presence of deep uncertainties further challenges the decision-making framework by questioning the robustness of all purportedly optimal solutions. This paper summarizes the additional uncertainty that is created by climate change, and reviews the tools that are available to project climate change (including downscaling techniques) and to assess and quantify the corresponding uncertainty. Assuming that climate change and other deep uncertainties cannot be eliminated over the short term (and probably even over the longer term), it then summarizes existing decision-making methodologies that are able to deal with climate-related uncertainty, namely cost-benefit analysis under uncertainty, cost-benefit analysis with real options, robust decision making, and climate informed decision analysis. It also provides examples of applications of these methodologies, highlighting their pros and cons and their domain of applicability. The paper concludes that it is impossible to define the "best" solution or to prescribe any particular methodology in general. Instead, a menu of methodologies is required, together with some indications on which strategies are most appropriate in which contexts. This analysis is based on a set of interviews with decision-makers, in particular World Bank project leaders, and on a literature review on decision-making under uncertainty. It aims at helping decision-makers identify which method is more appropriate in a given context, as a function of the project's lifetime, cost, and vulnerability.

283 citations

Book
01 Jan 2004
TL;DR: In this article, the authors address a list of questions that seem especially pertinent for skills development in Sub-Saharan Africa today, namely: What should be the role of training when there is not enough modern sector employment? Given the widespread decay in public training systems, what role of the public sector in training? Are private training providers more cost-effective than public sector training providers? What is the capacity of private learning providers to fill the gap left by declining public investment in training, what is the relative importance of training within enterprises and does the state need to intervene to stimulate it?
Abstract: The review addresses a list of questions that seem especially pertinent for skills development in Sub-Saharan Africa today, namely: What should be the role of training when there is not enough modern sector employment? Given the widespread decay in public training systems, what should be the role of the public sector in training? Are private training providers more cost-effective than public sector training providers? What is the capacity of private training providers to fill the gap left by declining public investment in training? What is the relative importance of training within enterprises and does the state need to intervene to stimulate it? In view of shortages of public financing, how can needed skills development be financed? What role can financing mechanisms play in improving the effectiveness and efficiency of training? Answers to these questions and others developed in each chapter are pursued by looking over the past decade at the structure of employment and the demand for skills; the experience of government and non-government providers of skills training, including enterprises; and the experience with financing of TVET and resource management. The findings yield a clear, strategic role for governments to play in skills development while deepening sector reforms. The actions, if taken, promise to support achievement of the Millennium Development Goals for poverty reduction and Education for All.

283 citations

BookDOI
TL;DR: In this article, the authors propose a revised approach to tackle the cost of being landlocked and a new analytical framework which uses a microeconomic approach to assess the trade and macroeconomic impacts of logistics.
Abstract: In the last two decades new emphasis has been given to the economic impact of geography, especially on the cost of being landlocked. From a development perspective, understanding the cost of being landlocked and its economic impact is critical, since one country of four in the world is landlocked (almost one out of three in Sub-Saharan Africa). Attempts to address the cost of being landlocked have mainly focused on regional and multilateral conventions aiming at ensuring freedom of transit, and on the development of regional transport infrastructure. The success of these measures has been limited, and many massive investments in infrastructure seem to have had a disappointing impact on landlocked economies. Although there may still be an infrastructure gap, this book, based on extensive data collection in several regions of the world, argues that logistics and trade services efficiency can be more important for landlocked countries than investing massively in infrastructure. Logistics have become increasingly complex and critical for firms' competitiveness, and a weakness in this field can badly hurt firms based in landlocked countries. This book proposes a revised approach to tackling the cost of being landlocked and a new analytical framework which uses a microeconomic approach to assess the trade and macroeconomic impacts of logistics. It takes into account recent findings on the importance of logistics chain uncertainty and inventory control in firms' performance. It argues that: (i) exporters and importers in landlocked developing countries face high logistics costs, which are highly detrimental to their competitiveness in world markets, (ii) high logistics costs depend on low logistics reliability and predictability, and (iii) low logistics reliability and predictability result mostly from rent-seeking and governance issues (prone to proliferate in low volume environments).

283 citations


Authors

Showing all 7881 results

NameH-indexPapersCitations
Joseph E. Stiglitz1641142152469
Barry M. Popkin15775190453
Dan J. Stein1421727132718
Asli Demirguc-Kunt13742978166
Elinor Ostrom126430104959
David Scott124156182554
Ross Levine122398108067
Barry Eichengreen11694951073
Martin Ravallion11557055380
Kenneth H. Mayer115135164698
Angus Deaton11036366325
Timothy Besley10336845988
Lawrence H. Summers10228558555
Shang-Jin Wei10141539112
Thorsten Beck9937362708
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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
202330
202281
2021491
2020594
2019604
2018637