[fre] Monopole discriminant et redistribution. Une interprétation des thèses d'Edgeworth. . Outre sa théorie du noyau, sa conception de la justice sociale, Edgeworth (1845-1926) a élaboré, à partir des travaux de Dupuit, une vision du monopole et de la concurrence imparfaite aussi...

[eng] Freedom of choice : an alternative measure of well-being. . This article proposes a conceptual and theorical reflection on freedom of choice. From axiomatic developments of the recent literature, it leads up to propose a general definition of this notion on the basis of a result of Kreps...