minimum wage is associated with an increase in birth weight driven by increased gestational length and fetal growth rate. The …

We make use of a new data resource, merged birth and school records for all children born in Florida from 1992 to 2002 …, to study the effects of birth weight on cognitive development from kindergarten through schooling. Using twin fixed … effects models, we find that the effects of birth weight on cognitive development are essentially constant through the school …

There is a large literature suggesting that "WIC works" to improve birth outcomes. However, methodological limitations … related to selection into the WIC program have left room for doubt about this conclusion. This paper uses birth records from … affect selection into the WIC program. We find that WIC is associated with reductions in low birth weight, even among full …

equivalent of the costs of the extra time stress is very large. While the departure of a child from the home reduces parents … birth …

. The interpretation of this correlation, however, is confounded by potential selectivity in the choice of birth mode. We … use birth records from California, merged with hospital and emergency department (ED) visits for infants and mothers in … the year after birth, to study the causal health effects of cesarean delivery for low-risk first births. Building on …