Candidate Equilibrium and the Behavioral Model of the Vote

Abstract
Most applications of spatial modeling to the problem of electoral competition are pessimistic regarding the prospects for candidate equilibrium in more than one policy dimension. Probabilistic models of the vote, however, increase the likelihood of equilibrium. We expand the probabilistic model to include measured nonissue variables, thereby representing the general multivariate model of behavioral research. For this model we offer a general candidate equilibrium solution and illustrate with some simulations based on 1988 National Election Study data. The more complicated one's model of voters' motivations, the greater appears to be the chance of locating a candidate equilibrium position in policy space.

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