Antitrust & Competition Policy Blog

Editor: D. Daniel Sokol
University of Florida
Levin College of Law

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Tuesday, September 28, 2010

An Analytical Model of a Vertically Separated Railway Market

Posted by D. Daniel Sokol

Markus Lang (Institute for Strategy and Business Economics, University of Zurich), Marc Laperrouza (Management of Network Industries, Swiss Federal Institute of Technology Lausanne (EPFL)), and Matthias Finger (Management of Network Industries, Swiss Federal Institute of Technology Lausanne (EPFL)) provide An Analytical Model of a Vertically Separated Railway Market.

ABSTRACT: This paper presents a game-theoretic model of a liberalized railway market in which train operation and ownership of infrastructure are fully vertically separated. The objective of this paper is to analyze how the regulatory agency will socially optimally set the charges that operators have to pay to the infrastructure manager for access to the tracks and how these charges change with increased competition in the railway market. Our analysis shows that an increased number of competitors in the freight and/or passenger segment reduces prices per kilometer and increases total output in train kilometers. The regulatory agency reacts to more competition with a reduction in access charges in the corresponding segment. Consumers benefit through lower prices while the effect on the operators' profits is ambiguous and depends on the degree of competition. We further show that social welfare always increases through more competit! ion in the freight and/or passenger segment. Finally, social welfare is higher under two-part tariffs than under one-part tariffs if rising public funds is costly to society.

http://lawprofessors.typepad.com/antitrustprof_blog/2010/09/an-analytical-model-of-a-vertically-separated-railway-market.html

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