@TechReport{CEPII:2006-17,
author={Guillaume Gaulier and Isabelle Méjean},
title={Import Prices, Variety and the Extensive Margin of Trade},
year=2006,
month=November,
institution={CEPII},
type={Working Papers},
url={https://www.cepii.fr/CEPII/fr/publications/wp/abstract.asp?NoDoc=805},
number={2006-17},
}