Véronique Meuriot CIRAD, UMR 5281 ART-Dev, Montpellier   CIRAD, UMR 5281 ART-Dev TA C-113/15 MONTPELLIER cedex 5, 34398 France   veronique.meuriot@cirad.fr   https://espace-perso.cirad.fr/user/meuriot/science           JEL Areas: C5 : Econometric Modeling: General B4 : Economic Methodology: General