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...

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...

In this paper, we propose to analyze optimal nonlinear pricing when a firm offers in a bundle a commodity and a contingent service. The paper studies a mechanism design where all private information can be captured in a single scalar variable in a monopoly context. We show that to propose the...