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Redistribution, Horizontal Inequity, and RerankingHow to Measure Them ProperlyInstitute of Public Finance, Zagreb, Croatia
University of Oregon, Eugene The decomposition of the Gini-based index of redistributive effect of an income tax into vertical, horizontal, and reranking contributions according to the model of Aronson, Johnson, and Lambert (AJL) is revisited. When close equals groups are used, rather than the exact equals groups on which the model is predicated, problems arise. A new measurement system is proposed, in which three distinct forms of reranking are disentangled and the vertical and horizontal contributions are redefined. Other approaches to measuring equity in tax systems are set in context. Findings are briefly applied to Croatian data, and recommendations for users of the AJL methodology are given.
Key Words: redistributive effect vertical equity horizontal inequity reranking
This version was published on September
1, 2008 Public Finance Review, Vol. 36, No. 5,
563-587 (2008) This article has been cited by other articles:
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