Discussion Paper From Nash to Walras via Shapley-Shubik Abstract We derive the existence of a Walras equilibrium directly from Nash’s theorem on noncooperative games. No price player is involved, nor are generalized games. Instead we use a variant of the Shapley-Shubik trading-post game. Keywords: Nash equilibrium, Walras equilibrium, Shapley-Shubik trading-posts game, Money JEL Classification: C72, D40, D41 DocumentControlNumber(s) CFDP 1360 Author(s) John Geanakoplos Page Count 11 Publication Date April 2002 JELClassificationCodes C72, D40, D41