@article{Liu2014,
author = {Liu, Haoming},
title= {The quality–quantity trade-off: Evidence from the relaxation of China’s one-child policy},
year = {2014},
doi = {10.1007/s00148-013-0478-4},
URL = {https://doi.org/10.1007/s00148-013-0478-4},
volume = {27},
number = {2},
pages = {565--602},
}