@TechReport{CEPII:2017-18,
author={Charlotte Emlinger and Viola Lamani},
title={International Trade, Quality Sorting and Trade Costs: The Case of Cognac},
year=2017,
month=October,
institution={CEPII},
type={Working Papers},
url={http://www.cepii.fr/CEPII/fr/publications/wp/abstract.asp?NoDoc=10555},
number={2017-18},
}