), within school-cohort and teacher-group, was not chosen by the students and it was as good as random. We find that male … students graduating from classes with at least 80% of male peers were more likely to choose "prevalently male" (PM) college …

high school classmates (peers), after controlling for school and teachers fixed effects. We find that male students …

We examine college students’ interaction within classrooms and estimate peer effects on their academic performance. We … identification strategy based on students’ repeated interaction. Our findings show that a student’s performance in a class is …- acteristics. Also quantile regressions reveal that peer effects are significant among below-average students and among those at …