This paper re-examines the roles of changes in income and inequality in poverty reduction. The study provides estimates of the relative effects of inequality reduction versus growth promotion in reducing poverty for countries with different levels of initial poverty. The analysis uses country...

This paper studies the relationship between inequality of opportunity and development outcomes in a cross-country setting. Scholars have long debated the impact of inequality on growth, development, and the quality of institutions in a society. The empirical relationships are however confounded...

Focusing on the welfare of the less well off as a measure of real societal progress is the fundamental principle underlying the WBG indicator of "shared prosperity" , namely income growth of the bottom 40 percent in every country. This paper uses a database assembled by the World Bank Group to...

Demographics, labor income, public transfers, or remittances: Which factor contributes the most to observed reductions in poverty? Using counterfactual simulations, this paper accounts for the contribution labor income has made to the observed changes in poverty over the past decade for a set of...

This paper quantifies the contributions of different factors to poverty reduction observed in Bangladesh, Peru and Thailand over the last decade. In contrast to methods that focus on aggregate summary statistics, the method adopted here generates entire counterfactual distributions to account...

Different episodes of economic growth display widely varying distributional characteristics, both across countries and over time. Growth is sometimes accompanied by rising and sometimes by falling inequality. Applied economists have come to rely on the Growth Incidence Curve, which gives the...

Income differences arise from many sources. While some kinds of inequality, caused by effort differences, might be associated with faster economic growth, other kinds, arising from unequal opportunities for investment, might be detrimental to economic progress. This study uses two new metadata...

In response to a growing interest in comparing inequality levels and trends across countries, several cross-national inequality databases are now available. These databases differ considerably in purpose, coverage, data sources, inclusion and exclusion criteria, and quality of documentation. A...

Building on earlier work by political philosophers, economists have recently sought to define a concept of equity that accommodates the fairness of reward to individual responsibility and effort, while allowing for the existence of some inequalities which are unfair and should be compensated....

"Shared prosperity" has become a common phrase in the development policy discourse. This short paper provides its most widely used operational definition -- the growth rate in the average income of the poorest 40 percent of a country's population -- and describes its origins. The paper discusses...