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On domains that admit well-behaved strategy-proof social choice functions

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  • Chatterji, Shurojit
  • Sanver, Remzi
  • Sen, Arunava

Abstract

In this paper, we investigate domains that admit “well-behaved” strategy-proof social choice functions. We show that if the number of voters is even, then every domain that satisfies a richness condition and admits an anonymous, tops-only, unanimous and strategy-proof social choice function, must be semi-single-peaked. Conversely every semi-single-peaked domain admits an anonymous, tops-only, unanimous and strategy-proof social choice function. Semi-single-peaked domains are generalizations of single-peaked domains on a tree introduced by Demange (1982) [13].

Suggested Citation

  • Chatterji, Shurojit & Sanver, Remzi & Sen, Arunava, 2013. "On domains that admit well-behaved strategy-proof social choice functions," Journal of Economic Theory, Elsevier, vol. 148(3), pages 1050-1073.
    • Handle: RePEc:eee:jetheo:v:148:y:2013:i:3:p:1050-1073
    DOI: 10.1016/j.jet.2012.10.005
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    References listed on IDEAS

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    More about this item

    Keywords

    Strategy-proofness; Restricted domains; Semi-single-peaked domains;
    All these keywords.

    JEL classification:

    • D71 - Microeconomics - - Analysis of Collective Decision-Making - - - Social Choice; Clubs; Committees; Associations

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