Approval Voting ion Dichotomous Preferences

Marc Vorsatz

UFAE and IAE Working Papers from Unitat de Fonaments de l'Anàlisi Econòmica (UAB) and Institut d'Anàlisi Econòmica (CSIC)

Abstract: The aim of this paper is to find normative foundations of Approval Voting. In order to show that Approval Voting is the only social choice function that satisfies anonymity, neutrality, strategy-proofness and strict monotonicity we rely on an intermediate result which relates strategy-proofness of a social choice function to the properties of Independence of Irrelevant Alternatives and monotonicity of the corresponding social welfare function. Afterwards we characterize Approval Voting by means of strict symmetry, neutrality and strict monotonicity and relate this result to May's Theorem. Finally, we show that it is possible to substitute the property of strict monotonicity by the one efficiency of in the second characterization.

Keywords: Approval Voting; Dichotomous Preferences; Social Choice Function; Social Welfare Function (search for similar items in EconPapers)
JEL-codes: D71 (search for similar items in EconPapers)
Pages: 33
Date: 2004-09-07
New Economics Papers: this item is included in nep-cdm, nep-dcm and nep-pol
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Related works:
Journal Article: Approval Voting on Dichotomous Preferences (2007)
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Persistent link: https://EconPapers.repec.org/RePEc:aub:autbar:619.04

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