We estimate the effect of illicit drug use during pregnancy on low birth weight. We use data from a national longitudinal study of urban parents that includes post-partum interviews with mothers, hospital medical record data on the mother and newborn, extensive demographic information on both...

We examine the extent to which infant health production functions are sensitive to model specification and measurement error. We focus on the importance of typically unobserved but theoretically important variables (TUVs), other non-standard covariates (NSCs), input reporting, and...

We use survey data that have been linked to medical records data and city-level drug prices to estimate the demand for illicit drugs among pregnant women. The prevalence of prenatal drug use based on post partum interviews was much lower than that based on evidence in the mothers' and babies'...

We examine the extent to which infant health production functions are sensitive to model specification and measurement error. We focus on the importance of typically unobserved but theoretically important variables (TUVs), other non-standard covariates (NSCs), input reporting, and...