In section 1 the disaggregated approach of network economics is explained which distinguishes between the network levels transport services, traffic control systems and fixed infrastructure. Section 2 starts with an explanation of the theory of monopolistic bottlenecks, which can be used as a...

The purpose of this paper is to analyse the impact of market oriented institutional reforms in German network industries. A disaggregated approach is chosen, which differentiates between network services, infrastructure management and network infrastructure. The gradual opening of network...

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...

The aim of this paper is to analyze the liberalization of the aviation value chain and the remaining role of government policy. In particular, the role of sector-specific regulation of monopolistic bottleneck components of the air traffic value chain is analyzed. For competition on air transport...

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...

Aus dem Spektrum des Regelungsbereichs netzgebundener Leistungen lassen sich zumindest drei Kernbereiche herauskristallisieren. Erstens: technische Regulierungsfunktionen: Standardisierung und Netzsicherheit. Zweitens: Versorgungssicherheit und Universaldienstziele. Drittens: die Abgrenzung...