Boys are less likely than girls to enter college, a gap that is often attributed to a lack of non-cognitive skills such as motivation and self-discipline. We study how being classified as gifted - determined by having an IQ score of 116 or higher - affects college entry rates of disadvantaged...

We study the impacts of a tracking program in a large urban school district that establishes separate "gifted/high achiever" (GHA) classrooms for fourth and fifth graders whenever there is at least one gifted student in a school-wide cohort. Since most schools have only a handful of gifted...

Education policy makers have struggled for decades with the question of how to best serve high ability K-12 students. As in the debate over selective college admissions, a key issue is targeting. Should gifted and talented programs be allocated on the basis of cognitive ability, or a broader...

Low income and minority students are under-represented in gifted education programs. One explanation for this pattern is that the usual process for identifying gifted students, through parent and teacher referrals, systematically misses many potentially qualified disadvantaged students. We use...

We study social interactions in the initiation of sex and other risky behaviors by best friend pairs in the Add Health panel. Focusing on friends with minimal experience at the baseline interview, we estimate bivariate ordered-choice models that include both peer effects and unobserved...

"We study social interactions in the risky behavior of best-friend pairs in the National Longitudinal Study of Adolescent Health (Add Health). Focusing on friends who had not yet initiated a particular behavior (sex, smoking, marijuana use, truancy) by the first wave of the survey, we estimate...