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The Political Economy of Joint Taxation

Author

Listed:
  • Bierbrauer, Felix
  • Boyer, Pierre
  • Peichl, Andreas
  • Weishaar, Daniel

Abstract

Joint taxation of married couples represents a puzzle for welfare economics. We investigate whether political economy forces can explain its persistence. We develop sufficient statistics to determine whether a reform towards individual taxation would garner majority support and apply this framework to the U.S. tax system since the 1960s. Our findings indicate that support for individual taxation has increased over time. As of today, 50% of all married individuals would benefit from such a reform. Among those worse off are poor single-earner couples. A reform that reduces marriage bonuses also for them is rejected by a social welfare function that concentrates weights at the bottom of the distribution.

Suggested Citation

  • Bierbrauer, Felix & Boyer, Pierre & Peichl, Andreas & Weishaar, Daniel, 2025. "The Political Economy of Joint Taxation," CEPR Discussion Papers 20042, Centre for Economic Policy Research.
    • Handle: RePEc:cpr:ceprdp:20042
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    File URL: https://cepr.org/publications/DP20042
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    Cited by:

    1. is not listed on IDEAS
    2. Marcus Berliant & Pierre C. Boyer, 2024. "Politics and income taxes: Progress and progressivity," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 26(4), August.
    3. Mary Ann Bronson & Daniel Haanwinckel & Maurizio Mazzocco, 2024. "Taxation and Household Decisions: an Intertemporal Analysis," NBER Working Papers 32861, National Bureau of Economic Research, Inc.

    More about this item

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • H21 - Public Economics - - Taxation, Subsidies, and Revenue - - - Efficiency; Optimal Taxation

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