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Measuring Tax Efficiency: A Tax Optimality Index

Author

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  • Pascalis Raimondos-Møller

    (Copenhagen Business School)

  • Alan D. Woodland

    (University of Sydney)

Abstract

This paper introduces an index of tax optimality that measures the distance of some current tax structure from the optimal tax structure in the presence of public goods. In doing so, we derive a [0,1] number that reveals immediately how far the current tax configuration is from the optimal one and, thereby, the degree of efficiency of a tax system. We call this number the Tax Optimality Index. We show how the basic method can be altered in order to derive a revenue equivalent uniform tax, which measures the size of the public sector. A numerical example is used to illustrate the method developed.

Suggested Citation

  • Pascalis Raimondos-Møller & Alan D. Woodland, 2004. "Measuring Tax Efficiency: A Tax Optimality Index," EPRU Working Paper Series 04-08, Economic Policy Research Unit (EPRU), University of Copenhagen. Department of Economics.
    • Handle: RePEc:kud:epruwp:04-08
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    References listed on IDEAS

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    More about this item

    Keywords

    tax optimality index; excess burden; distance function;
    All these keywords.

    JEL classification:

    • H21 - Public Economics - - Taxation, Subsidies, and Revenue - - - Efficiency; Optimal Taxation
    • H41 - Public Economics - - Publicly Provided Goods - - - Public Goods

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