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On Voting Rules Satisfying False-Name-Proofness and Participation

Author

Listed:
  • Agustín Bonifacio

    (UNSL/CONICET)

  • Federico Fioravanti

    (Saint Etienne School of Economics)

Abstract

We consider voting rules in settings where voters’ identities are difficult to verify. Voters can manipulate the process by casting multiple votes under different identitiesor abstaining from voting. Immunities to such manipulations are called false-nameproofness and participation, respectively. For the universal domain of (strict) preferences, these properties together imply anonymity and are incompatible with neutrality. For the domain of preferences defined over all subsets of a given set of objects, both of these properties cannot be met by onto and object neutral rules that also satisfy the topsonly criterion. However, when preferences over subsets of objects are restricted to be separable, all these properties can be satisfied. Furthermore, the domain of separable preferences is maximal for these properties.

Suggested Citation

  • Agustín Bonifacio & Federico Fioravanti, 2025. "On Voting Rules Satisfying False-Name-Proofness and Participation," Working Papers 356, Red Nacional de Investigadores en Economía (RedNIE).
    • Handle: RePEc:aoz:wpaper:356
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    File URL: https://rednie.eco.unc.edu.ar/files/DT/356.pdf
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    References listed on IDEAS

    as
    1. Yokoo, Makoto & Sakurai, Yuko & Matsubara, Shigeo, 2004. "The effect of false-name bids in combinatorial auctions: new fraud in internet auctions," Games and Economic Behavior, Elsevier, vol. 46(1), pages 174-188, January.
    2. Ching, Stephen & Serizawa, Shigehiro, 1998. "A Maximal Domain for the Existence of Strategy-Proof Rules," Journal of Economic Theory, Elsevier, vol. 78(1), pages 157-166, January.
    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    false-name-proofness; participation; voting; tops-only; anonymity; neutrality;
    All these keywords.

    JEL classification:

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

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