@article{Li2011,
author = {Li, Hongbin and Yi, Junjian and Zhang, Junsen},
title= {Estimating the effect of the one-child policy on the sex ratio imbalance in China: Identification based on the difference-in-differences},
year = {2011},
doi = {10.1007/s13524-011-0055-y},
URL = {https://doi.org/10.1007/s13524-011-0055-y},
volume = {48},
number = {4},
pages = {1535--1557},
}