Jean-Marc Bonnisseau Paris 106 boulevard de l'Hopital France jean-marc.bonnisseau@univ-paris1.fr http://ces.univ-paris1.fr/membre/Bonnisseau/Bonnisseau.htm Biographical Sketch: Primary Research Focus : General Equilibrium Theory, Increasing Returns to Scale, Externalities, Uncertainty, Optimality, Regularity JEL Areas : L:Industrial Organization