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An optimal Voting System when Voting is costly

Author

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  • Bognar, Katalin
  • Börgers, Tilman
  • Meyer-ter-Vehn, Moritz

Abstract

We consider the design of an optimal voting system when voting is costly. For a private values model with two alternatives we show the optimality of a voting system that combines three elements: (i) there is an arbitrarily chosen default decision and non-participation is interpreted as a vote in favor of the default; (ii) voting is sequential; (iii) not all voters are invited to participate in the vote. We show the optimality of such a voting system by first arguing that it is first best, that is, it maximizes welfare when incentive compatibility constraints are ignored, and then showing that individual incentives and social welfare are sufficiently aligned to make the first best system incentive compatible. The analysis in this paper involves some methods that are new to the theory of mechanism design, and it is also a purpose of this paper to explore these new methods.

Suggested Citation

  • Bognar, Katalin & Börgers, Tilman & Meyer-ter-Vehn, Moritz, 2010. "An optimal Voting System when Voting is costly," MPRA Paper 29123, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:29123
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    File URL: https://mpra.ub.uni-muenchen.de/29123/1/MPRA_paper_29123.pdf
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    References listed on IDEAS

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    1. Gershkov, Alex & Szentes, Balázs, 2009. "Optimal voting schemes with costly information acquisition," Journal of Economic Theory, Elsevier, vol. 144(1), pages 36-68, January.
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    5. Dirk Bergemann & Juuso Valimaki, 2005. "Information in Mechanism Design," Cowles Foundation Discussion Papers 1532R, Cowles Foundation for Research in Economics, Yale University, revised Jan 2006.
    6. Krasa, Stefan & Polborn, Mattias K., 2009. "Is mandatory voting better than voluntary voting?," Games and Economic Behavior, Elsevier, vol. 66(1), pages 275-291, May.
    7. Myerson, Roger B, 1986. "Multistage Games with Communication," Econometrica, Econometric Society, vol. 54(2), pages 323-358, March.
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    9. Stegeman, Mark, 1996. "Participation Costs and Efficient Auctions," Journal of Economic Theory, Elsevier, vol. 71(1), pages 228-259, October.
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    Citations

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    Cited by:

    1. Yaron Azrieli, 2018. "The price of ‘one person, one vote’," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 50(2), pages 353-385, February.
    2. Marco Faravelli & Santiago Sanchez-Pages, 2015. "(Don’t) Make My Vote Count," Journal of Theoretical Politics, , vol. 27(4), pages 544-569, October.
    3. Marco Faravelli & Santiago Sanchez-Pages, 2012. "(Don’t) Make My Vote Count," Discussion Papers Series 464, School of Economics, University of Queensland, Australia.
    4. Bergemann, Dirk & Pavan, Alessandro, 2015. "Introduction to Symposium on Dynamic Contracts and Mechanism Design," Journal of Economic Theory, Elsevier, vol. 159(PB), pages 679-701.
    5. Chakravarty, Surajeet & Kaplan, Todd R. & Myles, Gareth, 2018. "When costly voting is beneficial," Journal of Public Economics, Elsevier, vol. 167(C), pages 33-42.
    6. Gersbach, Hans & Mamageishvili, Akaki & Tejada, Oriol, 2019. "The Effect of Handicaps on Turnout for Large Electorates: An Application to Assessment Voting," CEPR Discussion Papers 13921, C.E.P.R. Discussion Papers.
    7. Hans Peter Grüner & Thomas Tröger, 2019. "Linear Voting Rules," Econometrica, Econometric Society, vol. 87(6), pages 2037-2077, November.
    8. Dirk Bergemann & Alessandro Pavan, 2015. "Introduction to JET Symposium Issue on "Dynamic Contracts and Mechanism Design"," Cowles Foundation Discussion Papers 2016, Cowles Foundation for Research in Economics, Yale University.

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    More about this item

    Keywords

    Voting; mechanism design; committees.;
    All these keywords.

    JEL classification:

    • D70 - Microeconomics - - Analysis of Collective Decision-Making - - - General

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