It is often argued that firms need flexibility in order to better face demand uncertainty. As employment protection legislation (EPL) impacts the cost of volume adjustments available to firms, it constrains the volume flexibility that they can achieve. Weakening EPL might thus be thought of as a...

Ce papier concerne l’analyse de l’impact de l’exportation sur la productivité et l’innovation dans les entreprises. L’apport de ce travail réside principalement dans 1) la décomposition de l’effet global de l’exportation sur les performances de l’entreprise en un effet...

We analyse the impact of an entry threat at the downstream level on the ability of a pair of vertically integrated incumbents to collude. We present an original model of horizontal product differentiation on the final market and characterize the structures of this market for which an entry...

This paper focuses on the existence of a Cournot equilibrium in a n- firm Cournot market for a single homogeneous commodity. Using a simple argument and proof, it shows that a Cournot equilibrium exists if each firm's marginal revenue declines with its own output and some weak non-decreasing...

We consider a situation in which members of an oligopoly have different technologies, which allow them to produce at different costs. Members may license their technology to other members. Using the Aumann-Drèze modification of the Shapley value, we compute fair prices for these licenses. We...

Cet article analyse les incitations à fusionner dans un oligopole mixte asymétrique constitué de deux firmes privées identiques et d'une …firme publique. Sous l'hypothèse qu'il existe un écart technologique entre la firme publique et les …firmes privées, nous montrons que la fusion...

This paper questions the impact of trade integration on business cycle synchronization in the EMU by distinguishing increase of existing trade flows (the intensive margin) and creation of new trade flows (the extensive margin). Using a DSGE model, we find that synchronization is weakened when...