@article{Cunningham2013,
author = {Cunningham, S.A. and Yount, K.M. and Engelman, M. and Agree, E. },
title= {Returns on Lifetime Investments in Children in Egypt},
year = {2013},
doi = {10.1007/s13524-012-0147-3},
journal = {Demography},
volume = {50},
pages = {699--724},
}