Cointegration methods suitable for estimation and testing with nonstationary data are applied to U.S. time-series data on age-specific fertility rates, female labor force participation rates, women's wages, unemployment rates and educational attainment, ...

This paper presents two optimizing models of educational choice, discusses issues of identification, estimates earnings equations in the context of these models, and presents conditions under which we can test one against the other. The estimates indicate that education is endogenous for young...