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Multi-winner rules analogous to the Plurality rule

Author

Listed:
  • Clinton Gubong Gassi

    (CRESE - Centre de REcherches sur les Stratégies Economiques (UR 3190) - UFC - Université de Franche-Comté - UBFC - Université Bourgogne Franche-Comté [COMUE])

  • Frank Steffen

    (Universität Bayreuth)

Abstract

The aim of this paper is to identify the multi-winner voting rules that can be considered 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 hal-04730571, HAL.
    • Handle: RePEc:hal:wpaper:hal-04730571
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