Altonji, Joseph G.; Kahn, Lisa B.; Speer, Jamin D. - In: American Economic Review 104 (2014) 5, pp. 387-93
We show that, among college graduates, earnings differentials across field of study have increased substantially since the early 1990s. We study the degree to which this increase can be accounted for by changes in the labor market return to skills associated with a major. To do so, we define...
