This paper develops a model of social interactions and endogenous poverty traps. The key idea is captured in a framework in which the likelihood of future social interactions with members of one's group is partly determined by group-specific investments made by individuals. I prove three main...

We develop an index of segregation based on two premises: (1) a measure of segregation should disaggregate to the level of individuals, and (2) an individual is more segregated the more segregated are the agents with whom she interacts. We present an index that satisfies (1) and (2) and that is...

Employment or admission “goals†are often preferred to affirmative action as a way of obtaining diversity. By constructing a simple model of employerâ€auditor interaction, I show that when an auditor has imperfect information regarding employers’ proclivities to discriminate...

This paper formalizes a widely discussed peer effect entitled 'acting white'. 'Acting White' is modeled as a two audience signaling quandary: signals that induce highe wages can be signals that induce peer group rejection. Without peer effects, the equilibrium involve all ability types choosing...