Abstract In markets with competing interconnected networks like mobile telecommunication markets investments affect the investor’s and also any competitors’ profits. In a theoretical model it is shown that cost-reducing investments reduce the investor’s termination rates and increase...

This paper considers the impact of European telecom regulation on the value of affected companies. Employing a repeating ARGARCH model, I compare the effect of three types of regulation which are categorized based on the addressed subject, i.e. cross-market, country-specific and company-specific...

In order to create incentives for Internet traffic providers not to discriminate with respect to certain applications on the basis of network capacity requirements, the concept of market driven network neutrality is introduced. Its basic characteristics are that all applications are bearing the...

This paper studies a model of the Internet broadband market as a platform in order to show how different pricing schemes from the so-called net neutrality may increased economic efficiency by allowing more investment of access providers and enhancing consumers surplus and social welfare.

The changing role of the Internet Engineering Task Force (IETF) standard setting process from designing and implementing the best effort TCP/IP protocol as a universal standard towards a platform for dealing with the increasing need for variety in the design of a Quality of Service (QoS)...

The Body of European Regulators for Electronic Communications (BEREC) has recently proposed a framework to assess the reasonableness of traffic management (TM) practices. This paper discusses BEREC's proposal from a network economic perspective focusing on the underlying concepts of congestion,...

This paper provides an economic analysis of recent vertical and horizontal mergers in the U.S. industry for audiovisual media content, including the AT&T-Time Warner and the Disney-Fox mergers. Using a theory-driven approach, we examine economic effects of these types of mergers on market...

Die Deutsche Telekom ist die mit Abstand größte Betreiberin von Fest- und Mobilfunknetzen in Deutschland. Deshalb kommt ihrer strategischen Positionierung nationale Bedeutung für die Entwicklung der infrastrukturellen Grundlagen der Digitalisierung zu. Nachfolgend wird angenommen, dass diese...

This paper develops a structural model which allows estimating the impact of regulatory decisions looking for the setting of download-speed standards on market structure and performance. We characterize a setting under which quality standards improve both service quality and availability. As to...

Central features of today's electronic communications markets are complementarities between the different layers of the value chain, substitutability between some applications, network effects in the provision of content and services, two-sided business models that partly involve indirect...