@article{Kearney2012,
author = {Kearney, M.S. and Levine, P.B.},
title= {Why is the teen birth rate in the United States so high and why does it matter?},
year = {2012},
doi = {10.1257/jep.26.2.141},
volume = {26},
number = {2},
pages = {141--166},
}