We present a model of the labor market with asymmetric information in which the equilibrium of the' market generates unemployment and job queues so that wages may serve as an effective screening device. This happens because more productive workers -- within any group of individuals with a given...

Using state-by-state voting data for U.S. presidential elections, the authors observe that voter turnout is a positive function of predicted closeness. To explain the strategic component of political participation, they develop a follow-the-leader model. Political leaders expend effort according...

We present a new approach to the theory of imperfect competition and apply it to study price competition among differentiated products. The central result provides general conditions under which there exists a pure strategy price equilibrium for any number of firms producing any set of products....