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Multi-winner rules analogous to the Plurality rule

Author

Listed:
  • Clinton Gubong Gassi

    (Université de Franche-Comté, CRESE, UR3190, F-25000 Besançon, France)

  • Frank Steffen

    (Faculty of Law, Business and Economics, University of Bayreuth, Germany)

Abstract

The aim of this paper is to identify the multi-winner voting rules that can be con- sidered as extension of the Plurality rule. Multi-winner voting addresses the problem of selecting a fixed-size subset of candidates, called a committee, from a larger set of available candidates based on the voters’ preferences. In the single-winner setting, where each voter provides a strict ranking of the candidates and the goal is to select a unique candidate, Yeh (2008) characterized the Plurality rule as the only voting rule satisfying five independent axioms: anonymity, neutrality, consistency, efficiency, and top-only. In this paper, we demonstrate that a natural extension of these axioms to the multi-winner framework allows us to identify a class of top-k counting rules as multi-winner analogous to the Plurality rule.

Suggested Citation

  • Clinton Gubong Gassi & Frank Steffen, 2024. "Multi-winner rules analogous to the Plurality rule," Working Papers 2024-18, CRESE.
    • Handle: RePEc:crb:wpaper:2024-18
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    More about this item

    Keywords

    Multi-winner; voting rules; axioms; Plurality rule; top-k counting rules.;
    All these keywords.

    JEL classification:

    • D71 - Microeconomics - - Analysis of Collective Decision-Making - - - Social Choice; Clubs; Committees; Associations
    • D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior

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