@article{Solon1991,
author = {Solon, G. and Corcoran, M. and Gordon, R. and Laren, D. },
title= {A longitudinal analysis of sibling correlations in economic status},
year = {1991},
doi = {10.2307/146023},
journal = {Journal of Human Resources },
volume = {26},
number = {3},
pages = {509--534},
}