@article{McKeever2011,
author = {McKeever, M. and Wolfinger, N.H.},
title= {Thanks for nothing: Income and labor force participation for never-married mothers since 1981},
year = {2011},
doi = {10.1016/j.ssresearch.2010.06.008},
volume = {40},
number = {1},
pages = {63--76},
}