Social Choice and Welfare

, Volume 24, Issue 1, pp 171–197 | Cite as

Assessing success and decisiveness in voting situations


In this paper we propose a simple model for measuring ‘success’ or ‘decisiveness’ in voting situations. For an assessment of these features two inputs are claimed to be necessary: the voting rule and the voters’ behavior. The voting rule specifies when a proposal is to be accepted or rejected depending on the resulting vote configuration. Voting behavior is summarized by a distribution of probability over the vote configurations. This basic model provides a clear common conceptual basis for reinterpreting different power indices and some related game theoretic notions coherently from a unified point of view.


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Copyright information

© Springer-Verlag 2005

Authors and Affiliations

  1. 1.Departamento de Fundamentos del Análisis EconómicoUniversidad de AlicanteAlicanteSpain
  2. 2.Departamento de Economía Aplicada IVUniversidad del País VascoBilbaoSpain

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