Wage differentials across college majors are huge and have been increasing. The type of college education becomes important for college students in terms of future earnings. Understanding the treatment effect of major choice in a certain occupation is difficult because of the sorting behavior and the effect of occupation choice. In order to…

This paper builds a model of human capital accumulation driven by increasing specialization of the workforce. Individuals increase the efficiency of time dedicated to human capital acquisition by focusing investments on narrower sets of skills. The evolution of secondary and post-secondary curricula in the United States from 1870-2000 confirms the…