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Equilibrium in multicandidate probabilistic spatial voting

Lin, TM and Enelow, JM and Dorussen, H (1999) 'Equilibrium in multicandidate probabilistic spatial voting.' Public Choice, 98 (1-2). 59 - 82. ISSN 0048-5829

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Abstract

This paper presents a multicandidate spatial model of probabilistic voting in which voter utility functions contain a random element specific to each candidate. The model assumes no abstentions, sincere voting, and the maximization of expected vote by each candidate. We derive a sufficient condition for concavity of the candidate expected vote function with which the existence of equilibrium is related to the degree of voter uncertainty. We show that, under concavity, convergent equilibrium exists at a "minimum-sum point" at which total distances from all voter ideal points are minimized. We then discuss the location of convergent equilibrium for various measures of distance. In our examples, computer analysis indicates that non-convergent equilibria are only locally stable and disappear as voter uncertainty increases.

Item Type: Article
Subjects: J Political Science > JA Political science (General)
Divisions: Faculty of Social Sciences > Government, Department of
Depositing User: Peter Josse
Date Deposited: 13 Jan 2015 13:48
Last Modified: 05 Feb 2019 12:15
URI: http://repository.essex.ac.uk/id/eprint/10099

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