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...

In the EU telecommunications regulatory framework a strong intention to avoid overregulation with respect to new markets can be observed. However, a clear-cut economically based analysis of the remaining need for sector-specific regu-lation is still missing. In this paper, the question is...

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

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...

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...

This paper examines the topic of unbundled access to the local loop in areas which show characteristics of non-contestable natural monopolies outside the large cities. Under the heading "local loop unbundling" three variants are discussed, full unbundling, line sharing, and bitstream access. An...