@TechReport{CEPII:2008-11,
author={Marie Daumal and Soledad Zignago},
title={Border Effects of Brazilian States },
year=2008,
month=June,
institution={CEPII},
type={Working Papers},
url={http://www.cepii.fr/CEPII/fr/publications/wp/abstract.asp?NoDoc=1079},
number={2008-11},
}