Decisiveness indices are semiindices

Josep Freixas and Montserrat Pons

Economics Letters, 2016, vol. 143, issue C, 13-15

Abstract: In this note we prove that any decisiveness index, defined for any voter as the probability of him/her being decisive, is a semiindex when the probability distribution over coalitions is anonymous, and it is a semiindex with binomial coefficients when the probability over coalitions is anonymous and independent.

Keywords: Game theory; Voting; Simple games; Power indices; Decisiveness (search for similar items in EconPapers)
JEL-codes: C71 D72 (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecolet:v:143:y:2016:i:c:p:13-15

DOI: 10.1016/j.econlet.2016.03.007

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