Often, fixed-line incumbents also own the largest mobile network. We consider the effect of this joint ownership on market outcomes. Our model predicts that while fixed-to-mobile call prices to the integrated mobile network are more efficient than under separation, those to rival mobile networks...

The objective of this paper is to inform the debate on how efficiency targets for Network Rail (formerly Railtrack) should be set during the 2002/03 Interim Review and beyond. Given the problems experienced during the 2000 Periodic Review, which focused on external benchmarks, we propose an...

How to protect "captive shippers" from monopolistic abuses by a railway? In an "open access" system, it's straightforward: provide infrastructure access to a competing train operating company. In a system without open access - as in, for example, the United States, Canada, Mexico, and Brazil -...

In diesem Beitrag wird die Risikoallokation bei Betreibermodellen für Bundesfernstraßen nach dem F- und A-Modell untersucht. Zunächst werden kurz die Defizite des traditionellen Modells der Herstellung und Bereitstellung von Fernstraßen in Deutschland dargestellt und die Struktur der beiden...