Global inequality between world citizens, using the new PPP data (just published as part of the 2005 ICP), is estimated to be about 70 Gini points. This is some 4-5 Gini points higher than previously thought. The increases are even greater if one uses the Theil index.

Is inequality largely the result of the Industrial Revolution? Or, were pre-industrial incomes and life expectancies as unequal as they are today? For want of sufficient data, these questions have not yet been answered. This paper infers inequality for 14 ancient, pre-industrial societies using...

We develop and implement a method for measuring the frequency of changes in power among distinct leaders and ideologically distinct parties that is comparable across political systems. We find that more frequent alternation in power is associated with the emergence of better governance in...

The objective of the paper is to answer an often-asked question : if tariff rates are reduced, what will happen to wage inequality ? We consider two types of wage inequality : between occupations (skills premium), and between industries. We use two large data bases of wage inequality that have...

Economic transition is associated with significant shifts in relative prices between private and public goods. If, as a result, public goods claim a larger share of total expenditures, economies of scale in consumption increase. We show how relative price changes might alter the welfare of...

Economic transition in Russia was accompanied by a precipitous decline in real income for most of the population. This article analyzes how the decline affected people's perception of the minimum level of income needed to make ends meet. Individual-level data collected from repeated surveys...