Age is among the strongest predictors of political participation, yet it is also among the least well understood. We offer a model of participation in the U.S. voter registration system - the first step in the voting process. In this model, older people are more apt to participate than younger...

We propose a new method for measuring the relative ideological positions of newspapers, voters, interest groups, and political parties. The method uses data on ballot propositions. We exploit the fact that newspapers, parties, and interest groups take positions on these propositions, and the...