Economists have a poor understanding of the mechanisms underlying reduced-form college peer effects. In this paper we explore a candidate mechanism, the provision of school effort. We show that, when earnings reflect individual educational performance as well as the field of study selected at...

The COVID-19 pandemic forced schools and universities to transit from traditional class-based teaching to online learning. This paper investigates the impact produced by this shift on students' performance. We use administrative data of four cohorts of students enrolled in an Italian University...