@article{Birchenall2009,
author = {Birchenall, J.A. and Soares, R.R.},
title= {Altruism, fertility, and the value of children: Health policy evaluation and intergenerational welfare},
year = {2009},
doi = {10.1016/j.jpubeco.2008.06.005},
journal = {Journal of Public Economics},
volume = {93},
number = {1-2},
pages = {280--295},
}