Delinquents compete with each other in criminal activities but benefit from being friends with other criminals by learning and acquiring proper know-how on the crime business. We study the subgame-perfect Nash equilibrium of this game in which individuals decide first to work or to become a...

We present a new way of modeling local labor markets by linking the space of workers' skills and the physical space of cities. The key lesson of our analysis is that firms exploit workers in these two spaces by setting wages that are below the competitive level. The degree of monopsony power...

Destination countries can adopt selective immigration policies to improve migrants' quality. Screening potential migrants on the basis of observable characteristics also influences their self-selection on unobservables. We propose a model that analyzes the effects of selective immigration...

We study the causal impact of network centrality on educational outcomes using field experiments in primary schools in Bangladesh. After obtaining information on friendship networks, we randomly allocate students into groups and give them individual and group assignments. We find that groups...

Interethnic tensions pose a significant barrier to the socioeconomic advancement of minority groups. This paper investigates the effectiveness of educational entertainment (or edutainment) in promoting interethnic harmony. We carried out a cluster randomized field experiment involving over 3,300...

The aim of this paper is to bring together spatial and racial discrimination in an urban framework. While racial discrimination is against black workers, spatial discrimination (or redlining) is against residents living in the city-center. When the relative access cost for black workers to...