@TechReport{CEPII:2020-15,
author={Tamara Gurevitch and Peter R. Herman and Farid Toubal and Yoto Yotov},
title={One Nation, One Language? Domestic Language Diversity, Trade and Welfare},
year=2020,
month=December,
institution={CEPII},
type={Working Papers},
url={http://www.cepii.fr/CEPII/fr/publications/wp/abstract.asp?NoDoc=12719},
number={2020-15},
}