We examine friendships and study partnerships among university students over several years. At the aggregate level …

We study how the achievements of university students are influenced by the characteristics and achievements of peers in … positive peer effects via the academic achievements of friends and study partners. Students’ grades increase with the abilities … claim that peer influence acts mainly through knowledge-sharing channels between students who are connected by social ties …

university probit regressions were tested. We found that students with similar characteristics such as gender and academic …

An extensive literature in the social sciences analyzes peer effects among students, but estimation is complicated by … observations within peer groups noted by Angrist (2014). The field experiment randomly assigns students to one-to-one partnerships … effects but we find some evidence that low-ability peers negatively affect low-ability and medium-ability students. The …

An extensive literature in the social sciences analyzes peer effects among students, but estimation is complicated by … observations within peer groups noted by Angrist (2014). The field experiment randomly assigns students to one-to-one partnerships … effects but we find some evidence that low-ability peers negatively affect low-ability and medium-ability students. The …

based on their academic histories. Results show that an editor's former PhD students and faculty colleagues experience an …

policies that subsidize kids' socialization efforts can backfire for low-educated students because they tend to increase their … interactions with other low-educated students (i.e., homophily), which reduces the education effort of their parents and, thus …

costs to friendship cause both within-group and systematic across-group heterogeneity in the extent of students' search …

-class absences to construct social networks based on students who miss class together. We simulate these networks and use permutation … tests to show that certain students systematically coordinate their absences. Leveraging a parent-information intervention … on student absences, we find spillover effects from treated students onto peers in their network. We show that an optimal …