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The Optimal Degree of Polarization

Author

Listed:
  • Ioulia V. Ossokina

    (Erasmus University Rotterdam)

  • Otto Swank

    (Erasmus University Rotterdam)

Abstract
This discussion paper led to a publication in the 'European Journal of Political Economics', 2004, 20, 255-262. In the literature on electoral politics full convergence of policy platforms is usually regarded as socially optimal. Thereason is that risk-averse voters prefer a sure middle-of-the-road policy to a lottery of two extremes with the sameexpectation. In this paper we study the normative implications of convergence in a simple model of electoralcompetition, in which parties are uncertain about voters' preferences. We show that if political parties haveincomplete information about voters' preferences, the voters may prefer some degree of policy divergence. Theintuition is that policy divergence enables voters to correct policies that are based on a wrong perception of theirdesires.

Suggested Citation

  • Ioulia V. Ossokina & Otto Swank, 2001. "The Optimal Degree of Polarization," Tinbergen Institute Discussion Papers 01-063/1, Tinbergen Institute.
    • Handle: RePEc:tin:wpaper:20010063
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    References listed on IDEAS

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    1. Hibbs, Douglas A., 1977. "Political Parties and Macroeconomic Policy," American Political Science Review, Cambridge University Press, vol. 71(4), pages 1467-1487, December.
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    3. John Ledyard, 1984. "The pure theory of large two-candidate elections," Public Choice, Springer, vol. 44(1), pages 7-41, January.
    4. Ignacio Ortuno‐Ortín & Christian Schultz, 2005. "Public Funding of Political Parties," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 7(5), pages 781-791, December.
    5. Wittman, Donald, 1983. "Candidate Motivation: A Synthesis of Alternative Theories," American Political Science Review, Cambridge University Press, vol. 77(1), pages 142-157, March.
    6. Narwa, Daniel, 2001. "How general should the proximity model be?," European Journal of Political Economy, Elsevier, vol. 17(1), pages 53-74, March.
    7. Wittman, Donald, 1977. "Candidates with policy preferences: A dynamic model," Journal of Economic Theory, Elsevier, vol. 14(1), pages 180-189, February.
    8. Harrington, Joseph E, Jr, 1993. "Economic Policy, Economic Performance, and Elections," American Economic Review, American Economic Association, vol. 83(1), pages 27-42, March.
    9. Alesina, Alberto, 1988. "Credibility and Policy Convergence in a Two-Party System with Rational Voters," American Economic Review, American Economic Association, vol. 78(4), pages 796-805, September.
    Full references (including those not matched with items on IDEAS)

    Citations

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    Cited by:

    1. Silvia Dominguez-Martinez & Otto Swank, 2006. "Polarization, Information Collection and Electoral Control," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 26(3), pages 527-545, June.
    2. Hortala-Vallve, Rafael & Esteve-Volart, Berta, 2011. "Voter turnout and electoral competition in a multidimensional policy space," European Journal of Political Economy, Elsevier, vol. 27(2), pages 376-384, June.
    3. Matsushima, Noriaki, 2007. "Uncertainty of voters' preferences and differentiation in a runoff system," European Journal of Political Economy, Elsevier, vol. 23(4), pages 1185-1189, December.
    4. Aytimur, R. Emre & Suen, Richard M. H., 2024. "Information Quality, Disagreement and Political Polarisation," MPRA Paper 121112, University Library of Munich, Germany.

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    More about this item

    Keywords

    Elections; Policy divergence; Probabilistic voting; Voters' preferences;
    All these keywords.

    JEL classification:

    • D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior

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