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The Hotelling-Downs Model with Runoff Voting

Author

Listed:
  • Sandro Brusco

    (Department of Economics, Stony Brook University)

  • Marcin Dziubinski

    (Institute of Informatics, Faculty of Mathematics, Informatics and Mechanics, Warsaw University, Banacha 2, 02-097 Warsaw, Poland.)

  • Jaideep Roy

    (Department of Economics, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK.)

Abstract

We consider the Hotelling-Downs model with n >= 2 oce seeking candidates and runo voting. We show that Nash equilibria in pure strategies always exist and that there are typically multiple equilibria, both convergent (all candidates are located at the median) and divergent (candidates locate at distinct positions), though only divergent equilibria are robust to free entry. Moreover, two-policy equilibria exist under any distribution of voters' ideal policies, while equilibria with more than two policies exist generically but under restrictive conditions that we characterize. In this sense, our analysis suggests that two-policy equilibria are the most prominent outcomes.

Suggested Citation

  • Sandro Brusco & Marcin Dziubinski & Jaideep Roy, 2010. "The Hotelling-Downs Model with Runoff Voting," Department of Economics Working Papers 10-02, Stony Brook University, Department of Economics.
    • Handle: RePEc:nys:sunysb:10-02
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    References listed on IDEAS

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    1. Massimo Bordignon & Guido Tabellini, 2009. "Moderating Political Extremism: Single Round vs Runoff Elections under Plurality Rule," DISCE - Quaderni dell'Istituto di Economia e Finanza ief0087, Università Cattolica del Sacro Cuore, Dipartimenti e Istituti di Scienze Economiche (DISCE).
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    5. Martin J. Osborne & Al Slivinski, 1996. "A Model of Political Competition with Citizen-Candidates," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 111(1), pages 65-96.
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    9. 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.
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    Citations

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    Cited by:

    1. Xefteris, Dimitrios, 2016. "Stability in electoral competition: A case for multiple votes," Journal of Economic Theory, Elsevier, vol. 161(C), pages 76-102.
    2. Ruben Durante & Emilio Gutierrez, 2014. "Political Advertising and Voting Intention: Evidence from Exogenous Variation in Ads Viewership," Sciences Po publications info:hdl:2441/26lctatf2u8, Sciences Po.
    3. Tsakas, Nikolas & Xefteris, Dimitrios, 2018. "Electoral competition with third party entry in the lab," Journal of Economic Behavior & Organization, Elsevier, vol. 148(C), pages 121-134.
    4. Ružica Savčić & Dimitrios Xefteris, 2021. "Apostolic voting," Canadian Journal of Economics/Revue canadienne d'économique, John Wiley & Sons, vol. 54(3), pages 1400-1417, November.
    5. Windsor, Duane, 2013. "Corporate social responsibility and irresponsibility: A positive theory approach," Journal of Business Research, Elsevier, vol. 66(10), pages 1937-1944.
    6. Sophie Bade, 2011. "Divergent Platforms," Discussion Paper Series of the Max Planck Institute for Research on Collective Goods 2011_25, Max Planck Institute for Research on Collective Goods.
    7. David Ronayne, 2018. "Extreme idealism and equilibrium in the Hotelling–Downs model of political competition," Public Choice, Springer, vol. 176(3), pages 389-403, September.
    8. repec:hal:spmain:info:hdl:2441/26lctatf2u813of8nkn7j2230h is not listed on IDEAS
    9. Giat, Yahel, 2019. "A location model for boycotting with an application to kosher certification," European Journal of Operational Research, Elsevier, vol. 273(3), pages 1109-1118.
    10. Damien Bol & André Blais & Jean-François Laslier & Antonin Macé, 2015. "Electoral System and Number of Candidates: Candidate Entry under Plurality and Majority Runoff," Working Papers halshs-01168722, HAL.
    11. Damien Bol & Arnaud Dellis & Mandar Oak, 2016. "Comparison of Voting Procedures Using Models of Electoral Competition with Endogenous Candidacy," Studies in Political Economy, in: Maria Gallego & Norman Schofield (ed.), The Political Economy of Social Choices, pages 21-54, Springer.
    12. Xefteris, Dimitrios, 2014. "Mixed equilibria in runoff elections," Games and Economic Behavior, Elsevier, vol. 87(C), pages 619-623.
    13. Joshua Holzer, 2019. "Reevaluating the presidential runoff rule: Does a provision promote the protection of human rights?," PLOS ONE, Public Library of Science, vol. 14(5), pages 1-11, May.
    14. Rahul Swamy & Timothy Murray, 0. "Computing equilibrium in network utility-sharing and discrete election games," Journal of Combinatorial Optimization, Springer, vol. 0, pages 1-29.
    15. Sophie Bade, 2016. "Divergent platforms," Theory and Decision, Springer, vol. 80(4), pages 561-580, April.
    16. Ruben Durante & Emilio Gutierrez, 2014. "Political Advertising and Voting Intention: Evidence from Exogenous Variation in Ads Viewership," Sciences Po publications info:hdl:2441/26lctatf2u8, Sciences Po.
    17. Buisseret, Peter, 2017. "Electoral competition with entry under non-majoritarian run-off rules," Games and Economic Behavior, Elsevier, vol. 104(C), pages 494-506.
    18. Rahul Swamy & Timothy Murray, 2022. "Computing equilibrium in network utility-sharing and discrete election games," Journal of Combinatorial Optimization, Springer, vol. 44(3), pages 2056-2084, October.

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    More about this item

    Keywords

    Downs; Free Entry; Runoff System; Equilibrium;
    All these keywords.

    JEL classification:

    • D01 - Microeconomics - - General - - - Microeconomic Behavior: Underlying Principles
    • D03 - Microeconomics - - General - - - Behavioral Microeconomics: Underlying Principles
    • D70 - Microeconomics - - Analysis of Collective Decision-Making - - - General

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