@TechReport{CEPII:2019-05,
author={Virginie Coudert and Cécile Couharde and Carl Grekou and Valérie Mignon},
title={Heterogeneity within the Euro Area: New Insights into an Old Story},
year=2019,
month=March,
institution={CEPII},
type={Working Papers},
url={https://www.cepii.fr/CEPII/en/publications/wp/abstract.asp?NoDoc=12200},
number={2019-05},
}