A Model of the Political Economy of the United States
67 Pages Posted: 28 Dec 2006 Last revised: 27 Jul 2007
Date Written: February 1991
We develop and test a model of joint determination of the rate of economic growth and the results of presidential and Congressional elections in the United States. In our model, economic agents and voters have rational expectations. Economic policy varies as a function of control of the White House and the two-party shares in Congress. Politics affects growth through unanticipated policy shifts following the outcome of presidential elections. The economy influences elections as voters use past realizations of growth to make rational inferences about the "competency" level of the incumbent administration. Elections are also influenced by voters using their midterm Congressional votes to moderate the policies of the incumbent administration. The theoretical model is used to generate a recursive system of equations in which the dependent variables are the growth rate and the vote shares in presidential and Congressional elections. The theory implies several restrictions on the equations. Tests of the restrictions generally support the model; however, the results support the traditional view of naive retrospective voting as well as the "rational" retrospective voting posited in the model.
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