Joyce, Ted; Mocan, Naci H.; Racine, Andrew D. - National Bureau of Economic Research (NBER) - 1992
We use a pooled time-series cross-section of live births in New York City between 1980 and 1989 to investigate the dramatic rise in low birthweight, especially among Blacks, that occurred in the mid 1980s. After controlling for other risk factors, we estimate that the number of excess low...