We examine a new class of games, which we call social games, where players not only choose strategies but also choose with whom they play. A group of players who are dissatisfied with the play of their current partners can join together and play a new equilibrium. This imposes new refinements on...

This paper studies the impact of an European-like labor market regulation on the return to schooling, equilibrium unemployment and welfare. We show that firing costs and temporary employment have opposite effects on educational choices. We furthermore demonstrate that a laissez faire economy...

We consider a dual labor market with a frictional formal sector and a competitive informal sector. We show that the size of the informal sector is generally too large compared to the optimal allocation of the workers. It follows that our results give a rationale to informality-reducing policies.