We develop a model of vertical merger waves leading to input foreclosure. When all upstream firms become vertically integrated, the input price can increase substantially above marginal cost despite Bertrand competition in the input market. Input foreclosure is easiest to sustain when upstream...

The French law “Nouvelle Organisation du Marché de l’Électricité” makes available, at a regulated price, withdrawal rights to source low-cost electricity production from nuclear plants owned by the incumbent. Downstream market retailers benefit from such a measure, up to a given amount...

In a two-region model of bilateral trade with global pollution, we study how the unilateral implementation of emissions taxes affects the region. To offset the decrease in its industry?s competitiveness, the regulator of the region may implement borders adjustments such as export subsidies or...

This paper offers some results on the comparison of the costs and benefits associated to the Public-Private Partnerships and to the traditional mode of public contracting. We conclude by explorng the limits of the model. Classification JEL : H11

Based on the modern theory of regulation, the analysis aims to characterize the effective economic regulation of the French railway industry. The methodology consists in econometrically testing various scenarios of regulation and determining which of these best fits the data. Using aggregate...

Based on the modern theory of regulation, the analysis aims to characterize the effective economic regulation of the French railway industry. The methodology consists in econometrically testing various scenarios of regulation and determining which of these best fits the data. Using aggregate...

A firm engaged in activities which are environmentally risky has private informationboth on her choice of safety care and on the level of her assets. Public authorities havea stake in implementing a high level of prevention effort and in unveiling the true levelof assets for liability payments....

Longtemps attendue, l'émergence du livre numérique annonce l'arrivée de biens et d'acteurs qui vont ébranler le secteur de l'édition et de la vente de livres. Ce secteur est-il en mesure de réagir à l'implantation d'une nouvelle chaîne du livre numérique qui ne serait pas régie par ce...