This paper estimates a quasi-structural birthweight production function using data on counties for the years 1975-1984. The analysis focuses on the effects of first trimester initiation of prenatal care, controlling for use of abortion services, cigarette smoking, birth order and income. Fixed...

This paper specifies and estimates an econometric model of low and very low birthweight rates for counties in the U.S. for the years 1975-1984. We focus on the impact of several specific public policy actions on use of prenatal care and the subsequent effect on birthweight outcomes. Our results...