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...

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...

These days it seems that almost everyone in the development community is talking about "pro-poor growth." What exactly is it, and how can we measure it? Is ordinary economic growth always "pro-poor growth" or is that some special kind of growth? And if it is something special, what makes it...

It has been argued that inequality should be of little concern in poor countries on the grounds that (1) absolute poverty in terms of consumption (or income) is the overriding issue in poor countries, and (2) the only thing that really matters to reducing absolute income poverty is the rate of...

Theories of relative deprivation predict negative welfare effects when friends and neighbors become better-off. Other theories point to likely positive benefits. The authors encompass both views within a single model, which motivates their tests using a survey for Malawi that collected data on...

Alternative scenarios are considered for reducing by one billion the number of people living below $1.25 a day. The low-case, "pessimistic," path to that goal would see the developing world outside China returning to its slower pace of growth and poverty reduction of the 1980s and 1990s, though...