A Cross-Cohort Analysis of Human Capital Specialization and the College Gender Wage Gap
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Research by @ErikHurst finds college major choice has strong predictive power in explaining gender wage gaps, independent of occupation choice, accounting for 40% of the decline in the wage gap across birth cohorts.

Erik Hurst finds women today still choose college majors associated with lower potential wages than men and college major choice has strong predictive power in explaining gender wage gaps independent of occupation choice
“…In this paper, we document....(1) Over the past 40 years, men and women have chosen more similar undergraduate majors. (2) Women have historically chosen college majors associated with lower potential wages than men. Although these gaps have narrowed over time, this is still true for women in the youngest birth cohorts. (3) There are gender differences in the mapping of major to occupation. Women systematically choose lower potential wage and lower potential hours-worked occupations than men even conditional on major. (4) There is a modest convergence between the 1950 and 1990 birth cohorts in the gendered mapping of major to occupation. (5) College major choice has strong predictive power in explaining gender wage gaps independent of occupation choice. These trends arise in an era where both labor force participation of women and the fraction of women that have graduated from universities has increased dramatically, fundamentally changing the composition of the educated workforce....These results show that not only has their been a gender convergence in pre-labor market specialization (college major) and post-schooling specialization (occupational choice), there has also been a gender convergence in the mapping from major choice to occupation. Compared to their predecessors, younger women are in occupations that are closer in potential wages to those chosen by male peers with the same major. We also show that the potential desire for lower hours worked on the part of women explains part, but not all, of these patterns...Over all, we find that controlling jointly for major choice and occupational choice explains roughly 40 percent of the cross-birth cohort decline in the wage gap….”
Carolyn Sloane, Erik Hurst, and Dan Black, " A Cross-Cohort Analysis of Human Capital Specialization and the College Gender Wage Gap," National Bureau of Economic Research, October 2019, https://www.nber.org/papers/w26348





