2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/105718We describe an efficient incentive mechanism for P2P systems that generates a wide diversity of content offerings while responding adaptively to customer demand. Files are served and paid for through a parimutuel market similar to that commonly used for betting in horse races. An analysis of the performance of such a system shows that there exists an equilibrium with a long tail in the distribution of content offerings, which guarantees the real time provision of any content regardless of its popularity.Networking and Internet ArchitectureComputers and SocietyPhysics and Societytext