On Equal Pay Day--an advocacy day intended to raise awareness of the fact that American women still earn 77 cents on the male dollar--my Time.com story explores reasons for the persistent gap. One study I find compelling explored the wage trajectory for workers who underwent a sex change. Even when controlling for factors like education, men who transitioned to women earned, on average, 32% less after the surgery. Women who became men, on the other hand, earned 1.5% more.
