@article{Gans2009,
author = {Gans, J.S. and Leigh, A.},
title= {Born on the first of July: An (un)natural experiment in birth timing},
year = {2009},
doi = {10.1016/j.jpubeco.2008.07.004},
volume = {93},
number = {1},
pages = {246--263},
}