A duopoly model with heterogeneous congestion-sensitive customers

M.R.H. Mandjes, J.B. Timmer

Research output: Book/ReportReportProfessional

Abstract

This paper analyzes a model with two firms (providers), and two classes of customers. These customers classes are characterized by their attitude towards ‘congestion’ (caused by other customers using the same resources); a firm is selected on the basis of both the prices charged by the firms, and the ‘congestion levels’. The model can be represented by a two-stage game: in the first providers set their prices, whereas in the second the customers choose the provider (or to not use any service at all) for given prices. We explicitly allow the providers to split their resources, in order to serve more than just one market
segment. This enables us to further analyze the Paris metro pricing (PMP) proposal for service differentiation in the Internet. We prove that the stage-2 game (the customers’ behavior for given prices, and a given division of the providers’ resources) has a unique equilibrium. Insight is gained into the structural properties of the equilibrium. We also show that the objective functions in the stage-1 game are continuous (in the providers’ decision variables), thus enabling an efficient search for its equilibrium. This report will comment on the viability of the PMP proposal.
Original languageEnglish
Place of PublicationAmsterdam
PublisherCentrum voor Wiskunde en Informatica
Number of pages34
Publication statusPublished - 2005

Publication series

NameProbability, Networks and Algorithms
PublisherCentrum voor Wiskunde & Informatica
No.PNA-E0501

Keywords

  • Congestion
  • Sensitivity
  • Heterogeneity

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