Until the 1960s, Historically Black Colleges and Universities (HBCUs) were practically the only institutions of higher learning open to Blacks in the US. Using nationally representative data files from 1970s and 1990s college attendees, we find that in the 1970s HBCU matriculation was associated...

"Affirmative action policies are practiced around the world. This paper explores the welfare economics of such policies. A model is proposed where heterogeneous agents, distinguished by skill level and social identity, compete for positions in a hierarchy. The problem of designing an efficient...

"The SEED schools, which combine a "No Excuses'' charter model with a five-day-a-week boarding program, are America's only urban public boarding schools for the poor. We provide the first causal estimate of the impact of attending SEED schools on academic achievement, with the goal of...