subsequent exams. Students of lower prior performance have lower fatigue effects and higher warm-up effects in STEM subjects … compared to students of higher prior performance. Also, we find that exam productivity in STEM increases faster for boys than …

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 …

. Given that students are assigned to schools based on proximity from their residential address, we define as neighbors all … 12th grade. Using data for the universe of students in public schools in Greece between 2004 and 2009, we find that a …

. Using new administrative data for the universe of students in consecutive cohorts in Greece, we find that a higher share of … female neighbors improves both male and female students' high school and university outcomes. We also find that female … students are more likely to enroll in STEM degrees and target more lucrative occupations when they are exposed to a higher …