@article{Harding2003,
author = {Harding, D.J.},
title= {Counterfactual models of neighborhood effects: The effect of neighborhood poverty on dropping out and teenage pregnancy},
year = {2003},
doi = {10.1086/379217},
journal = {American Journal of Sociology},
volume = {109},
number = {3},
pages = {676--719},
}