Current position
| 1983 | Professor of Economics, University Toulouse I |
| Honorary member of the Institut Universitaire de France |
Former positions
| 2010 - 2021 | Professor Emeritus, Toulouse 1 Capitole University - TSE |
| 2001 - 2006 | Director of the Laboratoire d'Economie de l'Environnement et des Ressources Naturelles (LEERNA) |
| 1981 - 1982 | Professor of Economics, University of Brest |
Education
| 1973 | Complementary Thesis in Economics |
| 1972 | Ph. D. in Economics |
Grants and awards
| 2019 | Fellow, European Association of Environmental and Resource Economists |
| 2016 | European Lifetime Achievement Award in Environmental economics |
| 2010 | Officier dans l'ordre national du Mérite |
| 2009 | Laurier d'excellence scientifique, INRA |
| 2004 | Chevalier de la Légion d'Honneur |
| 2003 | Officier des Palmes Académiques |
| 1997 - 2002 | Senior member of the Institut Universitaire de France |
| Chair of environment and natural resources economics |