This paper asks how a student's classmates affect her returns to college. We exploit a “tracking” admission system at a selective Colombian university that led to large differences in mean classmate ability for students in the same programs. In a regression discontinuity design, we find that...

This paper asks how academic breaks after high school affect individuals' college and labor market outcomes. We exploit a policy that altered academic calendars in two regions of Colombia, which caused thousands of high school graduates to have to wait an extra semester to start college. Using...

This paper examines how schools choose class size and how households sort in response to those choices. Focusing on the highly liberalized Chilean education market, we develop a model in which schools are heterogeneous in an underlying productivity parameter, class size is a component of school...