We report strong empirical support for the presence of self-interest-based risk sharing within extended families in the U.S. A standard model of self-interest-based risk sharing predicts that the share of current family income consumed by a child positively depends on that child׳s permanent...

in adult mortality, by improving knowledge transmission across time and encouraging more innovation, accounted for one third of the takeoff in output per capita.

This paper estimates the effect of graduating from college on lifetime earnings. Motivated by the fact that nearly half of all college students fail to earn a bachelor’s degree, we study a model of risky college completion. The central idea is that students drop out of college mainly because...

College admissions are highly meritocratic in the U.S. today. It is not the case in many other countries. What is the tradeoff? On one hand, meritocracy produces more human capital overall if higher ability students learn more in college and if they learn more in higher quality colleges. This...