I23

Panle Jia Barwick · Siyu Chen · Chao Fu · Teng Li

This paper estimates the causal effects of mobile app usage on college students' academic performance, physical health, and labor market outcomes, while separately identifying behavioral (endogenous) …

Jack Mountjoy

This paper asks whether enrolling in an American public university generates positive net returns for marginal students — those who barely qualify for admission — and whether those returns justify …