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Personal Income Tax Decentralization, Inequality and Social Welfare

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Abstract

This paper elaborates and evaluates a model for the decentralization of personal income tax which is consistent with the optimal redistribution model proposed by Tresch (2002), within a framework od social welfare à la Atkinson and Bourguignon (1987). Each region applies to its constituents a progressive tax, and the central government establishes a surcharge (or deduction) proportional to the income of individuals, net of the respective regional taxes. Our paper presents the conditions which permit this model to be recommended in terms of the reduction of income inequality and the increases of welfare, in each region and in the country as a whole. The theoretical results are applied to the Spanish IRPF, by the performance of various microsimulation exercises.

Suggested Citation

  • Julio López Laborda & Jorge Onrubia Fernández, 2004. "Personal Income Tax Decentralization, Inequality and Social Welfare," Economic Working Papers at Centro de Estudios Andaluces E2004/17, Centro de Estudios Andaluces.
  • Handle: RePEc:cea:doctra:e2004_17
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    1. Cremer, Helmuth & et al, 1996. "Mobility and Redistribution: A Survey," Public Finance = Finances publiques, , vol. 51(3), pages 325-352.
    2. Udo Ebert & Patrick Moyes, 2000. "Adjusting Incomes for Needs: Can One Avoid Equivalence Scales?," Econometric Society World Congress 2000 Contributed Papers 0917, Econometric Society.
    3. Atkinson, A. B. & Bouguignon, F. & Chiappori, P. A., 1988. "What do we learn about tax reform from international comparisons? France and Britain," European Economic Review, Elsevier, vol. 32(2-3), pages 343-352, March.
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    5. Moyes, Patrick & Shorrocks, Anthony, 1998. "The impossibility of a progressive tax structure," Journal of Public Economics, Elsevier, vol. 69(1), pages 49-65, July.
    6. Wellisch,Dietmar, 2000. "Theory of Public Finance in a Federal State," Cambridge Books, Cambridge University Press, number 9780521630351, May.
    7. Maria Cubel & Peter J. Lambert, 2002. "A Regional Approach to Income Tax Reform," Public Finance Review, , vol. 30(2), pages 124-143, March.
    8. Fellman, J, 1976. "The Effect of Transformations on Lorenz Curves," Econometrica, Econometric Society, vol. 44(4), pages 823-824, July.
    9. Nuria Badenes & Julio López-Laborda & Jorge Onrubia & Jesús Ruiz-Huerta, 2001. "Simplification and Decentralization of the Income Tax," Public Finance Review, , vol. 29(1), pages 49-60, January.
    10. Udo Ebert, 2000. "Equivalizing Incomes: A Normative Approach," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 7(6), pages 619-640, December.
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    12. Ebert, Udo, 1997. "Social Welfare When Needs Differ: An Axiomatic Approach," Economica, London School of Economics and Political Science, vol. 64(254), pages 233-244, May.
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    14. Tresch, Richard W. & Tresch, Richard W., 2002. "Public Finance," Elsevier Monographs, Elsevier, edition 2, number 9780126990515.
    15. Udo Ebert, 1999. "Using equivalent income of equivalent adults to rank income distributions," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 16(2), pages 233-258.
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    Keywords

    personal income tax; decentralization; inequality; social welfare.;

    JEL classification:

    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • F33 - International Economics - - International Finance - - - International Monetary Arrangements and Institutions

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