Media type: E-Article Title: Présentation générale Contributor: Blanchard, Pierre [Author]; Sevestre, Patrick [Author] Published in: Économie & prévision ; Vol. 126, n° 5, pp. 1-9 Language: French ISSN: 0249-4744 Keywords: intro Origination: Footnote: Access State: Open Access Rights information: Attribution - Non Commercial - No Derivs (CC BY-NC-ND)