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 …

The choice of a college major plays a critical role in determining the future earnings of college graduates. Students … survey students about what their expected earnings would be both in the major they have chosen and in counterfactual majors …. We also elicit students' subjective assessments of their abilities in chosen and counterfactual majors. We estimate a …