Previous studies on the gender wage gap have relied on OLS when estimating the wage equations. However, a number of recent studies, devoted to estimating the return to education, have shown that OLS may produce biased estimates for a number of reasons. As a consequence, previous results...

This paper expands the standard analysis of female labor supply to permit preference heterogeneity by using a finite mixture model. Using the extended model, we obtain theory consistent results whereas a traditional model produces a negative substitution effect. We use our model to illustrate...