Much of the debate over the allocation of education resources focuses on the alleged benefits of smallness—of classroom or school—and is based on evidence from small-scale studies. This paper reframes the question in terms of cohort size. Using national data, we find that a 10% increase in...

Using the National Health Interview Survey (1989–2011), we document the Healthy Immigrant Effect (HIE)—immigrants are in better health upon arrival in the United States than their native counterparts, but this health advantage erodes over time—irrespective of the health measure,...