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Type: Journal article
Title: Approval voting with endogenous candidates
Author: Dellis, A.
Oak, M.
Citation: Games and Economic Behavior, 2006; 54(1):47-76
Publisher: Academic Press Inc
Issue Date: 2006
ISSN: 0899-8256
Statement of
Arnaud Dellis and Mandar P. Oak
Abstract: We present a formal model of political competition under approval voting which allows for endogenous candidate entry. Our analysis yields a number of novel insights. First, we develop a notion of sincere voting behavior under approval voting, called relative sincerity. We then show that the relatively sincere voting behavior is consistent with the strategic calculus of voting. Second, we show that in a one-dimensional model with distance preferences, equilibria in relatively sincere strategies and without spoiler candidates always generate outcomes close to the median voter. Moreover, approval voting satisfies Duverger's Law in the sense that there are at most two winning positions! Finally, we extend our analysis to arbitrary policy spaces. In the general setting, approval voting is shown to be susceptible to the same kinds of problems as the plurality rule, such as the possibility of non-majoritarian outcomes, failure to elect the Condorcet winner and existence of spoiler candidates.
Keywords: Approval voting; citizen-candidate model; comparison of electoral systems
Rights: © 2005 Elsevier
RMID: 0020096846
DOI: 10.1016/j.geb.2004.10.010
Appears in Collections:Economics publications

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