This paper aims at localizing network-specific market power in new markets. Three kinds of transmission qualities on service markets can be differentiated according to the products provided: narrowband services like PSTN/ISDN or GSM, semi high-speed broadband services like broadband internet...

Dieser Beitrag behandelt das Zusammenspiel von normativer und positiver Theorie der Regulierung. Die regulierungsbedürftigen Netzbereiche können mit Hilfe der normativen Theorie der monopolistischen Bottlenecks lokalisiert werden. Der disaggregierte Regulierungsansatz ermöglicht es, die...

Due to its dynamic nature, and the increasing importance of competitive sub-parts, the telecommunications sector provides particularly interesting insights for studying regulatory unbundling. Based on the theory of monopolistic bottle-necks the fallacies of overregulation by undue unbundling...

The focus of this paper is on regulatory reforms towards rule-based regulation. The theory of monopolistic bottlenecks is contrasted with the concept of essential facilities and the so-called three-criteria test. It is important to differentiate between efficient private bargaining of access...

In order to analyse the role of competition in the post-trade markets a normative network economic analysis of the securities business is provided. The theory of monopolistic bottlenecks constitutes the theoretical reference point for this analysis in order to identify stable network specific...

In diesem Aufsatz wird ein netzökonomisch fundiertes Konzept zur Entbünde-lung entwickelt, mit dem Ziel den verbleibenden Regulierungsbedarf in den geöffneten Netzsektoren aufzuzeigen. Dreh- und Angelpunkt der Entbündelung als regulatorisches Konzept ist die Schaffung einer transparenten...

In order to analyse the role of competition in the post-trade markets a normative network economic analysis of securities business is provided. The theory of monopolistic bottlenecks constitutes the theoretical reference point for this analysis in order to identify stable network specific market...