He was a professor at the Ecole Polytechnique (1973-2008) and also chaired the department of Applied Economics and International Relations at the Conservatoire National des Arts et Métiers (CNAM) between 1995 and 2008.
Er war Professor an der Ecole Polytechnique (1973–2008) und hat den Lehrstuhl für angewandte Wirtschaftswissenschaften am Conservatoire national des arts et métiers (CNAM) innegehabt (1995–2008).