performance and their labor market income. We exploit the within-school, cohort-by-cohort variation in the gender composition of … high school classmates (peers), after controlling for school and teachers fixed effects. We find that male students … performance and change in major. And in the long run it did not produce any difference in income or labor market outcomes. We do …

-born peers affect the likelihood American college students graduate with a STEM major. Using administrative student records from … peers reduces the likelihood native-born students graduate with STEM majors by 3 percentage points-equivalent to 3.7 native … students displaced for 9 additional foreign students in an average course. STEM displacement is offset by an increased …

admission threshold have 52% higher yearly income with respect to just-below-threshold students. This premium is equivalent to a … income premium. I find that students with a just-above-threshold score are less likely to be college dropouts, take six fewer … administrative records about high school, college admission, college attendance and tax returns. Students with score just above the …

students graduated from high school between 1985 and 2005 to identify siblings. We follow the academic career of these …