Despite the development community's shift in emphasis toward the poor, malnutrition, like other dimensions of poor health, is concentrated among the worst off. Yet targets are still defined in terms of population averages. Consider, then, this information about malnutrition rates among different...

In Asia inequality in income between countries is more important than inequality within countries. In Africa, Latin America, and western Europe and North America, by contrast, there are only small differences between countries; inequality within countries is more important. And when countries...

"The degree of mobility in incomes is often seen as an important measure of the equality of opportunity in a society and of the flexibility and freedom of its labor market. But estimation of mobility using panel data is biased by the presence of measurement error and non-random attrition from...

"Just as equality of opportunity becomes an increasingly prominent concept in normative economics, the authors argue that it is also a relevant concept for positive models of the links between distribution and aggregate efficiency. Persuasive microeconomic evidence suggests that inequalities in...

"An apparent temporary narrowing of income inequality has been observed during several recent banking crises. But it would be a mistake to conclude that such crises don't matter for the poor. For one thing, the correlation is not strong, and the opposite pattern has also been present. Besides,...

This paper shows how value judgments can be explicitly recognized in measuring health ineqalities between the poor and the better-off, and how such inequalities can be included in assessments of countries' health indicators

Equal access to education is a basic human right. But in many countries gaps in education between various groups are staggering. An education Gini index -- a new indicator for the distribution of human capital and welfare -- facilitates comparison of education inequality across countries and...