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...

Several definitions of regulatory risk are known from the literature. From the perspective of regulatory reform it is important to differentiate between the impact of a given regulatory scheme on the firm's risk exposure and the risk arising from discretionary behavior of regulatory agencies....

Der Schwerpunkt dieses Beitrags liegt auf den Märkten für Verkehrsinfrastrukturkapazitäten. Mittels geeigneter Preisinstrumente gilt es, eine effiziente Allokation knapper Infrastrukturkapazitäten sowie die erforderliche Kostendeckung anzustreben. Zunehmende Skalenerträge beim Ausbau einer...

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...