Positions
Oswald Distinguished Professor in Microeconomics, University of Kansas since 2004
Secretary and Executive Director of SAET (Society for the Advancement of Economic Theory) since 2022
Visiting Professor of Economics, New York University and Yeshiva University 2015, 2018, 2020
Emeritus Chair Professor of Microeconomics, Paris School of Economics, Paris 2005-2018
Emeritus Professor, Université Paris 1 Panthéon-Sorbonne
Visiting Professor of Economics, Yale University and Purdue University 2001
Research Director at CNRS 2000-2002
Professor of Mathematics, Université Paris 1 Panthéon-Sorbonne: 1983-2017
Research Director of C.O.R.E. (Center for Operations Research and Econometrics) Belgium,
and Full Professor, Université Catholique de Louvain, Belgium 1986-1988
N.S.F. - C.N.R.S. Visiting Professor, University of California, Berkeley: 1986
Research Fellow of C.O.R.E., Université Catholique de Louvain, Belgium 1982-1984
Professor of mathematics, E.N.S.A.E. (Ecole Nationale de la Statistique
et de l'Administration Economique), Paris 1978-1983
Assistant Professor of mathematics, Université Paris 9 Dauphine 1974-1978
Fullbright Fellow, University of California, Berkeley 1973-1974
Ecole Normale Supérieure, Paris 1969-1973