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Fully sincere voting

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  • Wolitzky, Alexander

Abstract

In a general social choice framework where the requirement of strategy-proofness may not be sensible, we call a social choice rule fully sincere if it never gives any individual an incentive to vote for a less-preferred alternative over a more-preferred one and provides an incentive to vote for an alternative if and only if it is preferred to the default option that would result from abstaining. If the social choice rule can depend only on the number of votes that each alternative receives, those rules satisfying full sincerity are convex combinations of the rule that chooses each alternative with probability equal to the proportion of the vote it receives and an arbitrary rule that ignores voters' preferences. We note a sense in which the natural probabilistic analog of approval voting is the fully sincere rule that allows voters maximal flexibility in expressing their preferences and gives these preferences maximal weight.

Suggested Citation

  • Wolitzky, Alexander, 2009. "Fully sincere voting," Games and Economic Behavior, Elsevier, vol. 67(2), pages 720-735, November.
  • Handle: RePEc:eee:gamebe:v:67:y:2009:i:2:p:720-735
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    References listed on IDEAS

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    Cited by:

    1. Matías Núñez, 2014. "The strategic sincerity of Approval voting," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 56(1), pages 157-189, May.
    2. Granić, Đura-Georg, 2017. "The problem of the divided majority: Preference aggregation under uncertainty," Journal of Economic Behavior & Organization, Elsevier, vol. 133(C), pages 21-38.

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