Media type: E-Article Title: Présentation Contributor: Ménard, Claude [Author] Published in: Économie appliquée ; Vol. 39, n° 3, pp. 411-413 Language: French ISSN: 0013-0494 Keywords: intro Origination: Footnote: Access State: Open Access Rights information: Attribution - Non Commercial - No Derivs (CC BY-NC-ND)