... associated with a lower probability of doing any cooking, eating, or playing with the child, engaging in childcare, and supervising the child. The interpretation in these studies is implicitly or ... approximate the distribution of . There are four equations in the model; therefore, kconsists of four vectors each representing the set of heterogeneity 15parameters in one of the equations. ... years of education) , and bachelors and advanced degrees (16 and more years of education) . Using this specification for years of education in the model, we find that higher the mother’s education, ...