The post-war United States exhibits two rather strong politico-economic regularities. The political regularity is that the party of the President has always lost votes in aid-term Congressional elections, relative to its Congressional vote in the previous elections; the economic regularity is...

This paper extends the spatial theory of voting to an institutional structure in which policy choices are a function of the composition of the legislature and of the executive. In an institutional setup in which the policy outcome depends upon relative plurality, each voter has incentives to be...