Social scientists theorize that the inverse relationship between socio-economic status and family size represents a trade-off between the quality and quantity of children. Evaluating this hypothesis empirically requires addressing the simultaneity of the quality and quantity decisions....

Social scientists theorize that the inverse relationship between socio-economic status and family size represents a trade-off between the quality and quantity of children. Evaluating this hypothesis empirically requires addressing the simultaneity of the quality and quantity decisions....

An extensive literature suggests that marriage confers health benefits to men and women; however the literature also suggests that the healthy are more likely to marry. Using a new econometric strategy we find strong evidence that unobservable factors are significantly correlated with both...