We analyze a model of directed search in which unemployed job seekers observe all posted wages. We allow for the possibility of multiple applications by workers and ex post competition among vacancies. For any number of applications, there is a unique symmetric equilibrium in which vacancies...

We show that in a search/matching model with endogenous participation in which workers are heterogeneous with respect to market productivity, satisfying the Hosios rule leads to excessive vacancy creation. The reason is that the marginal worker does not internalize the effect of his or her...

In many economies, there is substantial economic activity in the informal sector, beyond the reach of government policy. Labor market policies, which by definition apply only to the formal sector, can have important spillover effects on the informal sector. The relative sizes of the informal and...