We document substantial variation in the effects of a highly-effective literacy pro-gram in northern Uganda. The program increases test scores by 1.40 SDs on average, but standard statistical bounds show that the impact standard deviation exceeds 1.0SD. This implies that the variation in effects...

We document substantial variation in the effects of a highly-effective literacy program in northern Uganda. The program increases test scores by 1.4 SDs on average, but standard statistical bounds show that the impact standard deviation exceeds 1.0 SD. This implies that the variation in effects...

We consider the effects of student ability, college quality, and the interaction between the two on academic outcomes and earnings using data on two cohorts of college enrollees. Student ability and college quality strongly improve degree completion and earnings for all students. We find...

We consider the effects of student ability, college quality, and the interaction between the two on academic outcomes and future earnings. Both ability and college quality strongly improve outcomes and earnings. We find little evidence to support the "mismatch" hypothesis that college quality...