La télévision interactive, en particulier l’interactivité entre les téléspectateurs et les programmes télévisés, constitue l’une des formes les plus ambitieuses de communication entre le consommateur et un média. Cette recherche exploratoire a pour objet de découvrir les attitudes...

Michel Didier et Jean-Hervé Lorenzi proposent dans ce 36ème rapport du CAE une analyse économique des enjeux et des perspectives de l'UMTS. Les deux auteurs présentent l'état de la technologie et examinent l'évolution de la structure du marché. Ils proposent également une prospective...

The aim of our paper is to determine the efficiency of the asymmetric regulation of the Mobile Termination Rates (MTRs) in a market where the firms are differentiated in size and with commercial offers that include calling club effects. Major regulatory issues are related to these analyses,...

Cet article analyse l’impact de la diversité culturelle sur les relations de coopération. Deux modes coopératifs sont définis, l’un fondé sur le calcul, l’autre sur l’identification sociale. Le cas de l’équipe chargée de l’intégration des organisations France Télécom Mobile...

This paper analyzes the role of private storage in a market for a commodity (e.g. natural gas) whose supply is subject to the threat of an irreversible disruption. We focus on the medium term in which seasonality of demand and exhaustibility can be neglected. We characterize the price and...

This paper analyzes the interactions between vertical integration and (wholesale) spot, forward and retail markets in risk management. We develop an equilibrium model that fits electricity markets well. We point out that vertical integration and forward hedging are two separate levers for demand...

The EU ETS has been criticised for threatening the competitiveness of European industry and generating carbon leakage, i.e., increasing foreign greenhouse gas emissions. Two main options have been put forward to tackle these concerns : border adjustments and output-based allocation, i.e.,...

Many policies are planned to face the increasing rate in health costs. In such circumstances and in order to reduce the pharmaceutical expenses, Tunisia adopted a reform of Health Insurance System. We study the effect of the introduction of reference pricing on pharmaceuticals’ price. In this...

This paper surveys the existing theoretical and empirical research on long term contracts inspired by the American experience. We analyze the role of take-or-pay clauses and price indexation rules, questioning whether regulation distorts optimal contract duration. The models we summarize allows...