Lenfant, Jean-Sébastien - In: Revue économique 56 (2005) 4, pp. 855-888
This article analyses Maurice Allais?'s contribution to the study of the stability of a competitive equilibrium. In his Traité d?'économie pure [1943], he demonstrates the local stability of a walrasian economy under a set of hypothesis tantamount to gross substitutability (Negishi [1962])....