Media type: E-Article Title: Introduction Contributor: Barthélemy, Denis [Author]; Facchini, François [Author]; Nieddu, Martino [Author]; Pivot, Catherine [Author] Published in: Économie rurale ; Vol. 260, n° 1, pp. 5-8 Language: French ISSN: 0013-0559 Keywords: intro Origination: Footnote: Access State: Open Access Rights information: Attribution - Non Commercial - No Derivs (CC BY-NC-ND)