This paper constructs a general equilibrium search-matching model with heterogeneous workers. Workers choose whether to invest in general human capital or specific human capital when they enter the labor market. We analyze how unemployment benefits affect the choice of the type of human capital...

We examine how technological change affects wage inequality and unemployment in a cali-brated model of matching frictions in the labor market. We distinguish between two polar cases studied in the literature: a "creative destruction" economy, where new machines enter chiefly through new matches...

We discuss economic aggregation and political aggregation in the context of a simple dynamic version of the canonical political-economy model--the Meltzer-Richard model. Consumers differ both in labor productivity and initial asset wealth and there is no physical capital. Under commitment over...