RT Journal Article SR Electronic T1 The 9/11 Dust Cloud and Pregnancy Outcomes: A Reconsideration JF Journal of Human Resources JO J Hum Resour FD University of Wisconsin Press DO 10.3368/jhr.51.4.0714-6533R A1 Currie, Janet A1 Schwandt, Hannes YR 2015 UL http://jhr.uwpress.org/content/early/2015/11/20/jhr.51.4.0714-6533R.abstract AB The events of 9/11 released a million tons of toxic dust into lower Manhattan, an unparalleled environmental disaster. It is puzzling then that the literature has shown little effect of fetal exposure to the dust. However, inference is complicated by pre-existing differences between the affected mothers and other NYC mothers as well as heterogeneity in effects on boys and girls. Using all births in utero on 9/11 in NYC and comparing them to their siblings, we show that residence in the affected area increased prematurity and low birth weight, especially for boys.