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Redistribution, Horizontal Inequity, and Reranking

Author

Listed:
  • Ivica Urban

    (Institute of Public Finance, Zagreb, Croatia)

  • Peter J. Lambert

    (University of Oregon, Eugene)

Abstract

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.

Suggested Citation

  • Ivica Urban & Peter J. Lambert, 2008. "Redistribution, Horizontal Inequity, and Reranking," Public Finance Review, , vol. 36(5), pages 563-587, September.
  • Handle: RePEc:sae:pubfin:v:36:y:2008:i:5:p:563-587
    DOI: 10.1177/1091142107308295
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    References listed on IDEAS

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    2. van de Ven, Justin & Creedy, John & Lambert, Peter J, 2001. "Close Equals and Calculation of the Vertical, Horizontal and Reranking Effects of Taxation," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 63(3), pages 381-394, July.
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