@article{Pilkauskas2014,
author = {Pilkauskas, N.V. and Garfinkel, I. and McLanahan, S.S.},
title= {The prevalence and economic value of doubling up},
year = {2014},
doi = {10.1007/s13524-014-0327-4},
volume = {51},
number = {5},
pages = {1667--1676},
}