An equilibrium search model of the labor market is combined with a social network. The key features are that the workers' network transmits information about jobs and that wages and entry of firms are determined in equilibrium. When workers are homogeneous referrals mitigate search frictions....

Employee referrals are a very common means by which firms hire new workers. Past work suggests that workers hired via referrals often perform better than non-referred workers, but we have little understanding as to why. In this paper, we demonstrate that this is primarily because referrals allow...

This paper offers a new representation of discrimination on the job market based on the most recent findings in the socio-psychological academic literature about human behavior. Put it simply, it is assumed that the agents prefer working with people like themselves. This affinity principle is...

We model major criminal activity as a game in which a law enforcement officer chooses the rate at which to screen different population groups and a criminal organization (e.g., drug cartel, terrorist cell) chooses the observable characteristics of its recruits. Our model best describes smuggling...