Left- and right-handed individuals have different brain structures, particularly in relation to language processing. Using five data sets from the US and UK, I show that poor infant health increases the likelihood of a child being left-handed. I argue that handedness can thus be used to explore...

We analyze a Massachusetts merit aid program in which high-scoring students received tuition waivers at in-state public colleges with lower graduation rates than available alternative colleges. A regression discontinuity design comparing students just above and below the eligibility threshold...

We use a Massachusetts merit aid program to provide the first clear causal evidence on the impact of college quality on students' postsecondary enrollment decisions and rates of degree completion, where college quality is defined by a variety of measures including on-time graduation rates. High...

Success or failure in freshman math has long been thought to have a strong impact on subsequent high school outcomes. We study an intensive math instruction policy in which students scoring below average on an 8th grade exam were assigned in 9th grade to an algebra course that doubled...

Recent proposals to address housing market troubles through principal modification raise the possibility that such policies could increase the cost of credit in the mortgage market. We explore this using historical variation in federal judicial rulings regarding whether Chapter 13 bankruptcy...

Labor economists know that a year of schooling raises earnings but have little evidence on the impact of specific courses completed. I identify the impact of math coursework on earnings using the differential timing of state-level increases in high school graduation requirements as a source of...