We present a model of two-party competition that relates the distribution of voters' preferences to the formation of the electoral landscape upon which parties choose issue positions. The two parties in the model tend to converge to similar positions on some issues and diverge on other issues,...

We study the relationship between voters' preferences and the emergence of party platforms in two-party democratic elections with adaptive parties. In the model, preferences of voters and the opposition party's platform determine an electoral landscape on which the challenging party must...

We construct a computational model of Tiebout competition. We show that the notion that Tiebout competition, as a result of enforcing efficiency, renders institutional arrangements unimportant does not preclude the possibility that political institutions may differ in their ability to sort...