The regulation of network industries has been profoundly transformed in the past twenty years. First, the “object of regulation” is no longer the same. Network industries have been opened to new dynamics, which have overwhelmed their industrial, technological and marketing frameworks. The...

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 concept of a barrier to entry has been discussed least since Bain [1956] with important contributions by Spence [1977], Dixit [1980] and Milgrom-Roberts [1982]. The more recent discussion is synthesized in the contributions to a dedicated session at the 2004 AEA meeting. Yet, a 'barrier to...

This paper aims at understanding what the consequences are of cultural diversity on co-operative relationships. Co-operation is considered through two different modes: the first one, called community based co-operation, is based on the need for belonging and the second mode, called complementary...

This paper explores the consequences of cultural diversity on co-operative relationships. It postulates two different modes of co-operation: ‘community based co-operation’, based on the need to belong, and ‘complementary co-operation’, which seeks to harness strategic resources. These...

Digital Technologies make it possible to decentrally settle institutional frameworks based on self-implementation of exclusive rights of use over information and on the self-regulation of on-line communities. Through a decentralized system of IPRs and collective rules setting of this kind agents...

Claudio Ciborra est un auteur majeur de la théorie des organisations et des systèmes d'information anglo-saxons. Ses travaux sont cependant relativement méconnus dans le champ francophone des sciences de gestion. Nous proposons ici de résumer l'essentiel de ses recherches et de montrer en...

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,...