A structural retirement model is estimated using data for tenured, male faculty employed in the 1970's at 26 high quality private colleges and universities. Simulations of raising and then abolishing the mandatory retirement age suggest very large increases in full time work by faculty members...

From age 62 through the full retirement age, the earnings test reduces the share of married men who work full time by about four percentage points, which entails a reduction of about ten percent in the number of married men of that age at full time work. In terms of the cash flow of the system,...