This paper analyses the quality provision of interrelated market firms under different market structures both theoretically and empirically.A theoretical model is built,where a media firm offers newspapers in a primary market and advertising space in the secondary market.Furthermore,the media...

Media and especially mass media like newspapers or magazines are characterised by a number of peculiarities which are interesting from both a theoretical and empirical point of view.The interrelationship of reader and advertising markets,high sunk costs and large economies of scale are typical...

Mass-medias are characterized by at least two interrelated markets. Therefore,the media firm has to satisfy two interdependent demands,the demand for magazines and the demand for advertising.The utility of the readers is affected by the information of the editorial and the advertising share.The...

This paper provides an empirical analysis on the effectiveness of incentives when pay-offs were changed. Using data on Portuguese first division football matches the effects of the introduction of the so called three-point rule are analyzed applying panel count data techniques.

Das vorliegende Papier beschreibt und analysiert die erfolgte Liberalisierung des Telekom-munikationssektors in Deutschland. Zu diesem Zweck werden die erfolgten Liberalisierungs-maßnahmen beschrieben und ihre Auswirkungen auf die verschiedenen Märkte analysiert. Während der Wettbewerb in den...

This paper provides a hedonic price analysis of mobile telephones for the German market. We have assembled data on 302 different handsets from 25 manufacturers over the period from May 1998 to November 2003. While volume has a negative effect on the price of a mobile handset, the number of...

This paper analyzes price elasticities in the Austrian market for mobile telecommunications services using data on firm specific tariffs. Both static and a dynamic panel data approaches lead to consistent results which provide evidence for a relatively elastic demand. Furthermore, some basic...

Die aktuelle Diskussion um die Novellierung der deutschen Pressefusionskontrolle macht deutlich, welche Relevanz medienökonomische Fragestellungen haben. Was jedoch bei dieser Diskussion häufig vernachlässigt wird, ist die intensive Betrachtung der ökonomischen Besonderheiten von...

This paper examines the causes and effects of mobile number portability (MNP) and provides a survey of its implementation in Europe. We first examine the competitive effects and the costs of introducing MNP. Next, we discuss how to charge for MNP. We argue that a price cap regime starting from...

This paper analyzes the impact of different payment regimes for mobile-to-mobile off-net calls on the diffusion of mobile telephony, using data on 84 countries from all over the world. Since the decision whether or not countries are likely to switch from RPP to CPP is not independent from...