In this article, we consider an ordered Stackelberg framework. In such a context, leadership is the preferred position. We show, using a linear model, with constant average costs, that the larger the number of a firm's followers is, the larger its profit. However, as the number of firms...

We show in this article the existence of endogenous rationing in a leader-follower duopoly with differentiated products. The duopolists compete in both prices and quantities and each may choose a price-quantity pair within the residual demand it faces in equilibrium. Therefore they are involved...

Using the Chakravorty et al. (2006) ceiling model, we characterize the optimal consumption paths of three energy resources: dirty oil, which is non-renewable and carbon emitting; clean oil, which is also non-renewable but carbon-free thanks to an abatement technology, and solar energy, which is...

Il existe une littérature assez abondante sur l'ordre dans lequel une société devrait utiliser ses ressources au cours du temps. Ce que nous voudrions explorer c'est l'incidence d'un progrès technique spécifique, permettant d'économiser les quantités de ressources requises par unité de...

[fre] Exploitation d'une ressource non renouvelable,possibilité de stockage et règle d'Hotelling . . Rares sont les modèles de l'entreprise minière qui tiennent compte explicitement des possibilités de stockage de la firme. Nous montrons qu'un monopole peut être conduit à stocker tout ou...

[eng] The theoretical approach to pricing and cost allocation for telecommunication services. . This paper reviews some economie principles concerning pricing policy and cost allocating methods in telecommunications. It focuses on the links between sustainable market price equilibria and public...

[fre] Dans cet article, on étudie les conséquences d'un relâchement de l'hypothèse de rendements constants dans une industrie aval, lorsqu'on compare une filière industrielle organisée en deux secteurs distincts (un monopole amont, entreprises concur­rentielles en aval) d'une part, et un...

[eng] Absolute rent, differential rent, wage and profit. . In the srafjaian rent theory, the marginal land dont pay any rent. Under this condition it is shown that the différences in the « fertilities » of lands are not pure natural data, but result from the distribution of income. But let us...