Decomposition of progressivity and inequality indices: Inferences from the US federal income tax system |
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| Authors: | Govind S Iyer Philip MJ Reckers |
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| Institution: | 1. Department of Accounting, University of North Texas, Denton, TX 76201, United States;2. School of Accountancy, Arizona State University, Tempe, AZ 85281, United States |
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| Abstract: | Vertical equity is an important criterion in evaluating a tax system. Vertical equity has two elements: progressivity and income equality. In this paper, we analyze the vertical equity effects of the US income tax system during 1995–2006 and show that income inequality increased substantially during the period combined with a significant reduction in real progressivity. |
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