Abstract AbstractDie Festschrift für Jörn Kruse enthält Beiträge aus den Bereichen Medien- und Telekommunikationsökonomik, Wettbewerbspolitik, Sportökonomik, Energiepolitik sowie allgemeine Fragen der Wirtschafts- und Ordnungspolitik. Sie reflektieren nicht nur den breiten Schaffenskreis...

Produktion, Nachfrage und Wettbewerb im Ligensport -- Empirische Untersuchung des Wettbewerbs europäischer Fußballligen -- Einflussfaktoren auf die Konzentration des europäischen Ligenwettbewerbs -- Ansätze für eine Regulierung des europäischen Ligenwettbewerbs.

Summary This paper analyses price elasticities in the Austrian market for mobile telecommunications services using data on firm specific tariffs in the period between January 1998 and March 2002. As a novelty compared to existing studies dynamic panel data regressions are used to estimate...

Abstract The liberalization of the German telecommunications sector is widely regarded as a success story, for which the rigorous regulation of essential facilities together with a liberal licensing policy have been responsible. While many telecommunications markets are now highly competitive,...

This article analyzes the interdependency between the market for music recordings on the one side and the market for concert tickets on the other side, assuming that there are positive indirect network effects both from the record market to ticket sales for live performances and vice versa. In a...

Abstract This paper explores the effects that collusion can have in newspaper markets where firms compete for advertising as well as for readership. We compare three modes of competition: (i) competition in the advertising and the reader market, (ii) semi-collusion over advertising (with...

This paper provides a hedonic price analysis of mobile telephones for the German market, based on data of 302 different handsets from 25 manufacturers over the period from May 1998 to November 2003. By measuring shadow prices for different product characteristics, the authors find that volume,...