This paper considers a model of two interconnected networks with different qualities. There are call externalities in the sense that consumers value calls they send and receive. Networks compete in two part tariffs. We show that call externalities create private incentives for each competitor to...

Nous situons notre analyse dans le contexte de l'ouverture a la concurrence d'un bien reseau dans lequel l'operateur historique, integre verticalement, gere en monopole l'infrastructure et est concurrence sur les sectuers des services. La qualite du bien reseau est le minimum des qualite de...

This paper considers a model of two interconnected networks with different qualities. There are call externalities in the sense that consumers value calls they send and receive. Networks compete in two part tariffs. We show that call externalities create private incentives for each competitor to...