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Social Choice and Welfare

, Volume 22, Issue 2, pp 413–431 | Cite as

Inequality in voting power

  • Annick Laruelle
  • Federico ValencianoEmail author
Article

Abstract

This paper deals with the assessment of inequality in the distribution of voting power. Voting power is evaluated through a general concept of power measurement based on both the voting rule and the probability distribution over vote configurations. This general concept includes as particular cases the most usual power indices and other extensions of this traditional concept. Thus no particular power index is privileged in our approach. An inequality index over the class of all power profiles with a given number of voters generated by this general measure is then singled out by requiring reasonable properties. In order to compare profiles with different numbers of voters, two alternative principles are considered, which extend the said index consistently in two ways.

Keywords

Probability Distribution General Concept General Measure Power Index Vote Rule 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 2004

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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