Ce cahier se propose d'analyser le comportement d'investissement d'une entreprise qui produit en base de l'electricite d'origine nucleaire dans un marche europeen qui s'ouvre a la con currence. Dans ce contexte, l'objectif du papier est de mettre en ´evidence l'importance pour la decision...

Our work concerns the Internet network. We propose to modify the traditional analysis of the theoretical economic literature which emphasizes on the vertical integration among backbones and ISPs, and his difficulties because IBPs have a strongmarket power. We propose to build a sequential game...

L'objectif de ce papier est d'étudier les interactions entre contrôle des structures et contrôle des comportements. Dans le cadre d'un modèle proche de Bernheim et Whinston (1990), nous montrons comment la relation entre concentration des marchés et comportement collusif peut être...

In order to act of better than possible on the level of urban congestion downtown and on the various external effects (sound, pollution...), the political decision maker must carry out choices among a multitude of tariffs instruments (urban toll, parking toll, kilometric taxation, alternative...

This paper (i) highlights the role that unit subsidies can play in the compensation scheme of a Universal Service Obligation (USO), and (ii) shows that welfare may be reduced when regulation requires accounting separation of network activities for vertically integrated USO providers. This...

The increase of bundle supply has become widespread in several sectors (for instance in telecommunications and energy fields). This paper review relates strategic aspects of bundling. The main purpose of this paper is to analyze profitability of bundling strategies according to the degree of...

This paper evaluates convergence of energy intensities for a group of 97 countries in the period 1971-2003. Convergence is tested using a recent method proposed by Pesaran (2007) [M.H. Pesaran. A pair- wise approach to testing for output and growth convergence. Journal of Econometrics 138,...

This essay tries to illustrate how the approach of John Rawls and Amartya Sen on the social justice can be used simultaneously in view to define what is a just society. For this, going for a simple mathematical illustration, which makes in relation capabilities, primary goods and freedom to...

This paper studies competition between Managed Care Organizations (MCOs) and “Conventional Insurers”. Most of the time, MCOs sign exclusive contracts with providers and these vertical restrictions associated to differentiation in the providers'market imply a risk segmentation. Taking into...