a higher share of female classmates on students' disruptive behavior, engagement, test scores, and major choices in … disadvantaged and non-disadvantaged schools. We exploit the random assignment of students to classrooms in early high school in … students that contains a large and diverse set of school qualities, and household incomes, and b) we measure disruption and …

We develop a multi-agent model of the education production function where investments of students, parents, and … survey data and a mandate to randomly assign students to classrooms. Consistent with our model, we show that exposure to …

university students who we randomly assign to study groups. Our results show that students become more similar to their peers … along several dimensions. Students with more competitive peers become more competitive, students with more open-minded peers … become more open-minded, and students with more conscientious peers become more conscientious. We see no significant effects …

using a large survey linked to administrative student register data. Exploiting cross sectional variation in students' self …-reported grit in the last year of compulsory school, we find that an increase in students' grit is associated with a higher … cognitive skill measures and a comprehensive set of other students' background characteristics. Moreover, using novel data on …