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Titre L'inefficacité d'une chaîne de monopoles : une étude expérimentale en situation de négociation répétée
Auteur Bernard Ruffieux, Stéphane Robin, Michel Hollard, Alexis Garapin
Mir@bel Revue Economie et prévision
Numéro no 145, 2000/4
Page 1-18
Résumé anglais The inefficiency of a chain of monopolies: an experimental study in a repeated-negotiation situation by Alexis Garapin, Michel Hollard, Stéphane Robin and Bernard Ruffieux Theory (bilateral monopoly, dual marginalisation) shows that a chain of monopolies is less efficient than an integrated monopoly. This result is valid both the joint profits of the bilateral monopolies and in terms of collective surplus. The goal of the present paper is to test the relevance of these theoretical conclusions in an experimental framework. The experimental results only partially confirm the theoretical conclusions. While the merger increases the welfare efficiency of the structure, it does not always increase the joint profit of the monopolies.
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