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 …

, and a natural experiment conducted on, students from the United States Naval Academy (USNA). We develop a conceptual … rich set of covariates and the random assignment of students to peer groups. We find that students can be influenced by …