Because much of the concern about youth unemployment is motivated by the large differences between the rates for blacks and whites, we have pursued our earlier work by analyzing separately for black and white youth the relationship between high school preparation and early labor force...

A structural model of the demand for college attendance is derived from the theory of comparative advantage and recent statistical models of self-selection and unobserved components. Estimates from NBER-Thorndike data strongly support the theory. First, expected lifetime earnings gains influence...

The educational screening hypothesis states that beyond a certain point schooling functions as a signaling device to identify pre-existing talents. We test for the presence of screening by comparing the schooling and earnings of self-employed workers and of those employed by others in a sample...