@article{Levernier2000,
author = {Levernier, W. and Partridge, M. D. and Rickman, D. S.},
title= {The causes of regional variations in US poverty: A cross-county analysis},
year = {2000},
doi = {10.1111/0022-4146.00184},
journal = {Journal of Regional Science},
volume = {40},
pages = {473--497},
}