We investigate whether the field of study influences university students' political attitudes. To disentangle self …-selection from learning effects, we first investigate whether the fields of study chosen by the incoming students correlate with … their political attitudes. In a second step we explore how the political attitudes change as the students progress in their …

incentives can be used to promote healthier sleep habits. To this end, we conducted a field experiment with college students …

interventions targeting sleep. In a field experiment among U.S. university students, we show that incentives for sleep increase both …

-level covariates. Alumni speakers increase intermediate economics course take-up by 2.1 percentage points (11%). Students are more …