The English edition of a 1991 French text revives the accents of classical theory to look at the theory of long-run competitive prices.In this definitive and exhaustive study, Christian Bidard develops a theory of prices of production. This theory, of classical inspiration, breaks down the symmetry between producers and consumers and gives more importance to reproduction rather than scarcity. Bidard compares and contrasts different readings of Sraffa's work and visits anew the question of relationships between classical theory (Smith, Ricardo, Marx) and the general equilibrium theory (Walras, Arrow, Debreu). This simplified and extended translation of Prix, Reproduction, Rareté (Dunod, 1991) aims to provide an essential reference on this topic.In this definitive and exhaustive study, Christian Bidard develops a theory of prices of production. This theory, of classical inspiration, breaks down the symmetry between producers and consumers and gives more importance to reproduction rather than scarcity. Bidard compares and contrasts different readings of Sraffa's work and visits anew the question of relationships between classical theory (Smith, Ricardo, Marx) and the general equilibrium theory (Walras, Arrow, Debreu). This simplified and extended translation of Prix, Reproduction, Rareté (Dunod, 1991) aims to provide an essential reference on this topic.Christian Bidard develops a theory of production prices that analyzes the exchange relationship between producers and consumers, emphasizing reproduction potential, rather than scarcity. Bidard compares and contrasts different studies of Sraffa's work and reviews the question of relationships between classical theory (Smith, Ricardo, Marx) and the general equilibrium theory (Walras, Arrow, Debreu). This simplified and extended translation of Prix, Reproduction, Rareté (Dunod, 1991) provides an essential reference on the topic of price and production relationships.Part I. Single Production: 1.l31