搜索结果: 1-2 共查到“人才学 Fertility”相关记录2条 . 查询时间(0.187 秒)
The early-1970s abortion legalization led to a significant drop in fertility. We investigate whether this decline represented a delay in births or a permanent reduction in fertility. We combine Census...
Parental Educational Investment and Children’s Academic Risk: Estimates of the Impact of Sibship Size and Birth Order from Exogenous Variation in Fertility
Parental Educational Investment Children’s Academic Risk Estimates Birth Order Exogenous Variation Fertility
2016/3/7
This study uses exogenous variation in sibling sex composition to estimate the causal effect of sibship size on boys’ probabilities of private school attendance and grade retention. Using the 1990 U.S...