On the Economics of Multicasting
Netnomics
Discouraging Free Riding in a Peer-to-Peer CPU-Sharing Grid
HPDC '04 Proceedings of the 13th IEEE International Symposium on High Performance Distributed Computing
A broadcast encryption scheme with free-riders but unconditional security
DRMTICS'05 Proceedings of the First international conference on Digital Rights Management: technologies, Issues, Challenges and Systems
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In a pay-per-view scheme, a service provider multicasts the program for which it has the rights on demand only to those who have paid for it. However, once payments are made it is tempting to broadcast the program to all. This occurs both in order to increase advertising revenues (due to a higher rating) and due to the extra costs associated with multicasting in comparison with broadcasting. Of course, this can be done only once as reputation will then be lost. We describe a pricing mechanism which results in broadcasting while still causing those willing to pay, to do so and at the monopoly price.