@TechReport{CEPII:2015-08,
author={Lionel Fontagné and Antoine Berthou},
title={Variable Trade Costs, Composition Effects, and the Intensive Margin of Trade},
year=2015,
month=June,
institution={CEPII},
type={Working Papers},
url={https://www.cepii.fr/CEPII/fr/publications/wp/abstract.asp?NoDoc=8066},
number={2015-08},
}