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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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    6. Matthias Messner & Mattias Polborn, 2007. "Strong and coalition-proof political equilibria under plurality and runoff rule," International Journal of Game Theory, Springer;Game Theory Society, vol. 35(2), pages 287-314, January.
    7. Martin J. Osborne & Al Slivinski, 1996. "A Model of Political Competition with Citizen-Candidates," The Quarterly Journal of Economics, Oxford University Press, vol. 111(1), pages 65-96.
    8. Thomas R. Palfrey, 1984. "Spatial Equilibrium with Entry," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 51(1), pages 139-156.
    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.
    Full references (including those not matched with items on IDEAS)

    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. Windsor, Duane, 2013. "Corporate social responsibility and irresponsibility: A positive theory approach," Journal of Business Research, Elsevier, vol. 66(10), pages 1937-1944.
    5. 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.
    6. 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.
    7. 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.
    8. Damien Bol & André Blais & Jean-François Laslier & Antonin Macé, 2015. "Electoral System and Number of Candidates: Candidate Entry under Plurality and Majority Runoff," PSE Working Papers halshs-01168722, HAL.
    9. Xefteris, Dimitrios, 2014. "Mixed equilibria in runoff elections," Games and Economic Behavior, Elsevier, vol. 87(C), pages 619-623.
    10. 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.
    11. 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.
    12. Sophie Bade, 2016. "Divergent platforms," Theory and Decision, Springer, vol. 80(4), pages 561-580, April.
    13. 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.
    14. 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.
    15. 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.
    16. 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.
    17. repec:hal:spmain:info:hdl:2441/26lctatf2u813of8nkn7j2230h is not listed on IDEAS
    18. Buisseret, Peter, 2017. "Electoral competition with entry under non-majoritarian run-off rules," Games and Economic Behavior, Elsevier, vol. 104(C), pages 494-506.

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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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