SEMIVALUES AND VOTING POWER

Annick Laruelle () and Federico Valenciano ()

International Game Theory Review (IGTR), 2003, vol. 05, issue 01, 41-61

Abstract: In this paper we revise the axiomatic foundations and meaning of semivalues as measures of power on the domain of simple games, when these are interpreted as models of voting procedures. In this context we characterize the family of preferences on roles in voting procedures they represent, and each of them in particular. To this end we first characterize the family of semivalues and each of them in particular up to the choice of a zero and a unit of scale. As a result a reinterpretation of semivalues as a class of power indices is proposed and critically discussed.

Keywords: Semivalues; power indices; voting power; expected-utility preferences; collective decision-making; axiomatization (search for similar items in EconPapers)
JEL-codes: B4 C0 C6 C7 D5 D7 M2 (search for similar items in EconPapers)
Date: 2003
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Citations: View citations in EconPapers (4)

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DOI: 10.1142/S021919890300088X

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