@article{Xu2015,
author = {Xu, H.  and Xie, Y. },
title= {The causal effects of rural-to-urban migration on Children’s well-being in China},
year = {2015},
doi = {10.1093/esr/jcv009},
journal = {European Sociological Review },
volume = {31},
number = {4},
pages = {502--519},
}