Regulatory reforms in European network industries are strongly influenced by legal decisions. The cases considered in this paper not only initiated the liberali-zation process of the markets for network services but also provided an impor-tant signaling function for the remaining regulatory...

The reform of European railroads is a time-consuming process strongly charac-terized by its path-dependency. Firstly, a short outline of the historical roots of the controversial debates on the role of the state and the markets, and the organi-zation of competition in European railroad...

Während der Phase der partiellen Marktöffnung in den europäischen Telekommunikationssektoren stand der institutionelle Reformprozess hin zu einer umfassenden Marktöffnung im Zentrum. Gegenstand dieser Abhandlung ist die Telekommunikationsregulierung nach der umfassenden Marktöffnung....

International mobile roaming cartel agreements prompted the EU to intervene, firstly encompassing competition law measures by a cartel exemption, then ini-tiating several competition proceedings based on the accusation of abuse of a dominant market position, and finally applying price...

Die in der Novelle des Personenbeförderungsgesetzes vollzogene Marktspaltung in vor Marktzutritt geschütztem öffentlichem Personennahverkehr und wettbe-werblichem Linienbusfernverkehr ist willkürlich. Wettbewerbspotenziale zeigen sich bei freiem Marktzutritt sowohl im Fernverkehr als auch im...

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 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...

Der Aufsatz ist wie folgt aufgebaut. In Abschnitt 2 wird zunächst die Theorie der angreifbaren Märkte kurz skizziert. Es folgt in Abschnitt 3 eine kurze Darstellung der Theorie der monopolistischen Bottlenecks und deren Zusammenhang mit dem Konzept der wesentlichen Einrichtung (essential...

In this paper we compare the privatisation and deregulation experience of German railroads with the telecommunications sector. In section 2 the period of nationalisation, legal entry barriers and self-regulation for the German railroad and the telecommunications sector is characterized. Section...

In this paper, historical functionalities of the traditional Internet are contrasted with today's Internet functionalities of the smart Internet architecture. It is shown that network neutrality regulation prohibiting congestion management and traffic quality differentiation is contrary to...