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Proportional Representation with Uncertainty

Author

Listed:
  • Francesco De Sinopoli
  • Giovanna Iannantuoni
  • Elena Manzoni
  • Carlos Pimienta

Abstract

We introduce a model with strategic voting in a parliamentary election with proportional representation and uncertainty about voters’ preferences. In any equilibrium of the model, most voters only vote for those parties whose positions are extreme. In the resulting parliament, a consensus government forms and the policy maximizing the sum of utilities of the members of the government is implemented.

Suggested Citation

  • Francesco De Sinopoli & Giovanna Iannantuoni & Elena Manzoni & Carlos Pimienta, 2014. "Proportional Representation with Uncertainty," Working Papers 288, University of Milano-Bicocca, Department of Economics, revised Dec 2014.
    • Handle: RePEc:mib:wpaper:288
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    References listed on IDEAS

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    1. Francesco Sinopoli & Giovanna Iannantuoni, 2007. "A spatial voting model where proportional rule leads to two-party equilibria," International Journal of Game Theory, Springer;Game Theory Society, vol. 35(2), pages 267-286, January.
    2. Ignacio Ortuno-Ortin & Anke Gerber, 1998. "Political compromise and endogenous formation of coalitions," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 15(3), pages 445-454.
    3. Kedar, Orit, 2005. "When Moderate Voters Prefer Extreme Parties: Policy Balancingin Parliamentary Elections," American Political Science Review, Cambridge University Press, vol. 99(2), pages 185-199, May.
    4. Cho, Seok-Ju, 2014. "Voting Equilibria Under Proportional Representation," American Political Science Review, Cambridge University Press, vol. 108(2), pages 281-296, May.
    5. Thomas Romer & Howard Rosenthal, 1978. "Political resource allocation, controlled agendas, and the status quo," Public Choice, Springer, vol. 33(4), pages 27-43, December.
    6. Austen-Smith, David & Banks, Jeffrey, 1988. "Elections, Coalitions, and Legislative Outcomes," American Political Science Review, Cambridge University Press, vol. 82(2), pages 405-422, June.
    7. Duch, Raymond M. & May, Jeff & Armstrong, David A., 2010. "Coalition-directed Voting in Multiparty Democracies," American Political Science Review, Cambridge University Press, vol. 104(4), pages 698-719, November.
    8. David P. Baron & Daniel Diermeier, 2001. "Elections, Governments, and Parliaments in Proportional Representation Systems," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 116(3), pages 933-967.
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    Cited by:

    1. Paolo Balduzzi & Sandro Brusco, 2019. "Proportional Systems with Free Entry. A Citizen-Candidate Model," Department of Economics Working Papers 19-01, Stony Brook University, Department of Economics.

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    More about this item

    Keywords

    Proportional Election; Strategic Voting; Legislative Bargaining;
    All these keywords.

    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

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