Au sommaire de ce numéro : On perfect competition : definitions, usages and foundations / Appropriation in a competitive theory of value / Price takers vs. great numbers : a critique of the Edgeworth-Walras convergence à la Debreu-Scarf / Negishi on Edgeworth on Jevon's law of indifference, Walra's equilibrium, and the role of large numbers : a critical assessment / Edgeworth on competition : a note on Franco Donzelli / Edgeworth on competition : a reply to Antoine Rebeyrol / On price-making contracts and economic theory : rethinking Bertrand and Edgeworth / Price taking as an asymptotic limit of strategic behavior / Competition : the ways to perfection / The perfection competition paradigm : evolving from its ambiguities. (Numéro en anglais).