@TechReport{CEPII:2015-13,
  author={Victor Ginsburgh and Jacques Melitz and Farid Toubal},
  title={Foreign Language Learning: An Econometric Analysis},
  year=2015,
  month=July,
  institution={CEPII},
  type={Working Papers},
  url={https://www.cepii.fr/CEPII/fr/publications/wp/abstract.asp?NoDoc=8151},
  number={2015-13},
  
}