We show that the aggregate Frisch elasticity of labor supply can greatly exceed the corresponding individual-level parameter, and we illustrate the "anatomy" of the former in terms of intensive and extensive margins. The methodology consists of using micro data from the PSID to construct a panel...

This paper is about selection of neighbors in models of social interactions. I study a general equilibrium model of behavior subject to endogenous social influences when heterogeneous individuals can choose whom to associate with, buying associations on a "memberships market". Social effects in...