Men and Women Major in Different Subjects....

Here's one of the biggest reasons for a gender earnings gap/differential: Women and men voluntarily self-select much different college majors based on their academic interests and abilities. And these differences are remarkable stable over time, see chart.

For example, the F:M… pic.twitter.com/tvXTEvpaTg

— Mark J. Perry (@Mark_J_Perry) February 29, 2024