The datafile Birthweight_ Smoking is from the 1989 linked National Natality-Mortality Detail files, which contains a census of infant births and deaths.
economics
Description
The datafile Birthweight_ Smoking is from the 1989 linked National Natality-Mortality Detail files, which contains a census of infant births and deaths. The data in bw_ smoking. data are for births in Pennsylvania in 1989.
These data were provided by Porfessor Douglas Almond, Kenneth Chay, and David Lee and are a subset of the data used in their paper “The Costs of Low Birth Weight,” Quarterly Journal of Economics, August 2005, 120(3): 1031-1083.
