This paper presents a model in which mismatch employment arises in a constrained efficient equilibrium. In the decentralized economy, however, mismatch gives rise to a congestion externality whereby heterogeneous job seekers fail to internalize how their individual actions affect the labor...

This paper develops a search model with heterogeneous workers, firms, and on-the-job search. Employed low-skilled workers are allowed to seek better paid jobs at high productivity firms. Low productivity firms make take-it-or-leave-it wage offers, whereas high productivity firms use Nash...

We analyze the impact of information frictions on workers' wages, contributing to the literature that tested search theory, which has so far focused on labor market frictions in general and not specifically on information asymmetries. Using data for 16 countries from the European Social Survey...