V. Filipe Martins da Rocha Ceremade, Université Paris-Dauphine   Place du Maréchal de Lattre de Tassigny 75775 Paris Cedex 16 PARIS, 75775 FRANCE   martins@ceremade.dauphine.fr         Primary Research Focus: General equilibrium with a continuum of agents   JEL Areas: D5 : General Equilibrium and Disequilibrium: General C7 : Game Theory and Bargaining Theory:General