1. Economic Department, CEE-M, Univ. Montpellier, CNRS, INRAE, Institut Agro, Montpellier, France
2. EconomiX, CNRS, UPL, Université Paris Nanterre (France) & TIMAS, Thang Long University (Vietnam)
3. Aix Marseille Univ, CNRS, AMSE, Marseille, France