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A Switch from Joint to Individual Taxation Is Welfare Improving

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  • André Decoster
  • Peter Haan

Abstract

In this paper we empirically derive the welfare effects of a shift from joint taxation with full income splitting to a revenue neutral system of individual taxation in Germany. For the empirical welfare evaluation we estimate the preference heterogeneity in the population and use normative welfare concepts proposed in Fleurbaey (2006) to solve the difficulties of comparison between, and aggregation of heterogeneous individuals and households. We show that, irrespective of the individual welfare measure we use, individual taxation would on average increase individual welfare. Moreover, as far as the aggregation is concerned, we show that any social planner, ranging from a utilitarian to a Rawlsian one, would come to the same conclusion: a policy change which replaces joint taxation with full splitting by individual taxation, would be welfare improving.

Suggested Citation

  • André Decoster & Peter Haan, 2011. "A Switch from Joint to Individual Taxation Is Welfare Improving," Discussion Papers of DIW Berlin 1175, DIW Berlin, German Institute for Economic Research.
    • Handle: RePEc:diw:diwwpp:dp1175
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    References listed on IDEAS

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    Cited by:

    1. Holger Bonin & Anita Fichtl & Helmut Rainer & C. Katharina Spieß & Holger Stichnoth & Katharina Wrohlich, 2013. "Zentrale Resultate der Gesamtevaluation familienbezogener Leistungen," DIW Wochenbericht, DIW Berlin, German Institute for Economic Research, vol. 80(40), pages 3-13.
    2. Holger Bonin & Anita Fichtl & Helmut Rainer & C. Katharina Spieß & Holger Stichnoth & Katharina Wrohlich & Anita Dietrich, 2013. "Lessons for Family Policy – Central Results of the Ex-Post-Evaluation of Monetary Family Related Benefits in Germany," ifo Schnelldienst, ifo Institute - Leibniz Institute for Economic Research at the University of Munich, vol. 66(18), pages 22-30, October.
    3. Hans Fehr & Manuel Kallweit & Fabian Kindermann, 2013. "Reforming Family Taxation in Germany - Labor Supply vs. Insurance Effects," CESifo Working Paper Series 4386, CESifo.
    4. Doorley, Karina, 2018. "Taxation, Work and Gender Equality in Ireland," IZA Discussion Papers 11495, Institute of Labor Economics (IZA).

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    More about this item

    Keywords

    Taxation of couples; welfare measures; labour supply; preference heterogeneity;
    All these keywords.

    JEL classification:

    • C35 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Discrete Regression and Qualitative Choice Models; Discrete Regressors; Proportions
    • D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement
    • D78 - Microeconomics - - Analysis of Collective Decision-Making - - - Positive Analysis of Policy Formulation and Implementation
    • H24 - Public Economics - - Taxation, Subsidies, and Revenue - - - Personal Income and Other Nonbusiness Taxes and Subsidies
    • H31 - Public Economics - - Fiscal Policies and Behavior of Economic Agents - - - Household
    • J22 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Time Allocation and Labor Supply

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