Using data on MZ (monozygotic, identical) female twins from the Minnesota Twin Registry, we estimate the causal effect of schooling on completed fertility, probability of being childless and age at first birth, using the within MZ twins methodology. We find strong cross-sectional associations...

There is a recent renewal of interest in the relation between shifts in age structures of populations and various economic outcomes. These shifts are triggered by changes in fertility and mortality that take place some years before becoming apparent in the standard age structure and that may...

This study presents new estimates of the impact of social networks on attitudes and behavior in two areas, family planning and AIDS. The study explicitly allows for the possibility that social networks are not chosen randomly, but rather that important characteristics such as unobserved...