[eng] This article analyzes the so called « value added » telecommunication services market. These services are the result of a combination of « functions » assumed by different types of economic agents.. Therefore to control the organization of the production, economic agents have to gain...

[eng] The Agency framework and the theory of Transaction costs do not pretend to provide any specific theory of State intervention towards business. Meanwhile, this article underlines that the same theories which have provided a better understanding of co-operative problems, can be usefully...

[fre] En suivant une approche néo-institutionnelle inspirée de celle de North, nous montrons comment le brevet joue son rôle d'incitation à l'innovation et de vecteur de sa diffusion. En général, on suppose que la règle de droit incite à une codification des connaissances en échange de...

[eng] Coordination in the French construction industry relies on principles that generate numerous failures. Authorities as well as some large companies push for changes by encouraging the use of coordination techniques inspired by those in use in manufacturing industries. We try to analyze the...