@TechReport{CEPII:2018-21,
  author={Guillaume Gaulier and Vincent Vicard},
  title={Some Unpleasant Euro Arithmetic},
  year=2018,
  month=,
  institution={CEPII},
  type={CEPII Policy Brief},
  url={https://www.cepii.fr/CEPII/fr/publications/pb/abstract.asp?NoDoc=11000},
  number={2018-21},
  
}