Suppose that all people in the world are allocated only two characteristics over which they have (almost) no control: country of residence and income distribution within that country. Assume further that there is no migration. We show that more than one-half of variability in income of world...

The paper presents new results on within-country regional inequality in per capita income for 36 countries during 1995-2005; focusing on Europe but with some non-European countries included for comparison. In 23 of the 36 countries there was a significant increase in regional inequality during the...