Probabilistic voting equilibria under nonlinear candidate payoffs

Alexei Zakharov

Journal of Theoretical Politics, 2012, vol. 24, issue 2, 235-247

Abstract: The ‘mean voter theorem’ implies that candidates should choose identical policy positions in a two-candidate race if voting is probabilistic. This result is in fact an artifact of the assumption that the candidates maximize expected vote share or probability of win, which is not true for many real-world elections. In this paper I analyze a probabilistic voting model in which the candidates have preferences other than the maximization of the expected number of votes or the probability of win maximization. I derive the comparative statics for two voters and one-dimensional policy space. Each voter cares about both the policy platform and the identity of the candidate. It is shown that an increase in the value of exactly one vote causes each candidate to choose a position closer to that of its partisan voter. Numeric computation of equilibria show that these results can be generalized to three or more voters. The results imply that the nonlinearity and non-symmetry of payoffs can affect the policy positions of the candidates.

Keywords: candidate payoffs; electoral competition; probabilistic voting; rational choice (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:sae:jothpo:v:24:y:2012:i:2:p:235-247

DOI: 10.1177/0951629811423122

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