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Growth, Top Incomes, and Social Welfare

Aart Kraay's picture
Trends in income inequality are at the center of development policy discussions these days.  Part of this renewed attention is no doubt a tribute to Thomas Piketty’s pioneering work to measure top income shares using income tax data, as well as his much-discussed new book.  Piketty’s work shows some dramatic trends in inequality at the top end of the income distribution.  For example, in countries such as C