51), our data set is very large, and inference problems related to heteroskedastic residuals in the linear probability model are mitigated by robust standard errors. However, we also run these analyses using a logit model in order
using birth-certificate data for both cities for 2009–2011 and using expected pregnancy overlap with the Asian Games as an instrumental variable, we study the effects of three pollutants (PM10,SO2, andNO2) on birth outcomes. Four main conclusions emerge: 1)air pollutantssignificantly reduce avera...
Interpregnancy intervals in the United States: Data from the birth certificate and the National Survey of Family Growth (National Vital Statistics Reports, Vol. 64 No. 3). Hyattsville, MD: Centers for Disease Control and Prevention, National Center for Health Statistics. Cox, ...
In addition, collaboration relating to birth registration took place between Afghanistan and Bangladesh, and between Madagascar and Uganda. daccess-ods.un.org 此外,阿富汗和孟 加拉国以及马达加斯加和乌干达之间也 就 出生 登记 开展了协作。 daccess-ods.un.org Preparatory work for the EFA Mid-Decade...