The major purpose of this paper is, however, to conduct a multilevel investigation of sex ratio at birth using micro sample data from China 2000 population census and data of fertility policy at prefecture level.
The major purpose of this paper is, however, to conduct a multilevel investigation of sex ratio at birth using micro sample data from China 2000 population census and data of fertility policy at prefecture level.
在此基础上，本文应用非线性分层模型将2000年全国人口普查1‰数据和1999年的地区级生育政策数据结合起来对出生性别比失调的影响因素进行了初步分析。