Munich Personal RePEc Archive

Inequality and Social Welfare

Wodon, Quentin and Yitzhaki, Shlomo (2002): Inequality and Social Welfare. Published in: A Sourcebook for Poverty Reduction Strategies , Vol. 1, (April 2002): pp. 75-104.


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This paper provides a review of part of the literature on inequality and social welfare, with a special focus on the Gini index. The paper first presents the extended Gini index used for measuring inequality, as well as the source decomposition of the Gini used to analyze how changes in income and consumption sources affect overall inequality. The paper then provides a wide range of policy applications of the source decomposition of the extended Gini index, including techniques for analyzing the impact on inequality of the targeting of programs as opposed to the rules for the allocation of benefits among program participants.

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