@ARTICLE{CEPII:239,
title={Circonstances exceptionnelles},
author={Agnès Bénassy-Quéré and Alexis Penot },
year=2004,
month=November,
journal={La lettre du CEPII},
number={239},
institution={CEPII},
abstract={},
keywords={ },
url={https://www.cepii.fr/CEPII/en/publications/lettre/abstract.asp?NoDoc=667}
}