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 …

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

selective colleges to lower their curricular demands, low-ability students benefit at the expense of medium-ability students … better serve their most able students. This stylized model of curricular product differentiation in higher education offers …

of less able students. As we argue in the paper, this adjustment benefits low-ability college students at the expense of … colleges become a less appealing alternative for the medium ability students. The selective, elite colleges therefore adopt a … more demanding curriculum to better serve their most able students, again at the expense of medium ability students. The …

effects were substantial for students at California Community Colleges, the largest higher education system in the country … outcomes of these students through the first four semesters after it started. Consistent with national trends, enrollment … dropped precipitously during the pandemic – the total number of enrolled students fell by 11 percent from fall 2019 to fall …

-born peers affect the likelihood American college students graduate with a STEM major. Using administrative student records from … peers reduces the likelihood native-born students graduate with STEM majors by 3 percentage points-equivalent to 3.7 native … students displaced for 9 additional foreign students in an average course. STEM displacement is offset by an increased …

. This study estimates the effect of class size on academic performance of university students, distinguishing between STEM …,000 students and a total of more than 190,000 observations, spanning six cohorts of first-year undergraduate students across all … of the effect along the dimensions of students' socio-economic status, ability, and gender, finding that in STEM …

of a two-day freshman orientation program for university students, I find that higher ability peers generate positive … students by 0.05 to 0.08 SD. I provide evidence that the effects result from the formation of lasting social ties, and that …

which challenging long-term tasks are completed. Providing university students with ongoing relative feedback on accumulated … among students with medium pre-treatment graduation probabilities: when these students are informed about an above …