Report on a conference reviewing the state of play of the European Union's second Roaming Regulation and consideration of options for a legislative successor. A number of possible structural remedies were rejected in favour of the existing model of retail and wholesale price caps, with a...

Market definition is an essential ingredient to competitive and regulatory analysis. Yet, there is significant disparity regarding the definition of the relevant geographic market for high-capacity circuits, commonly referred to as Special Access services. Given the present debate over expanding...

This paper investigates the conditions that lead to the so-called 'waterbed' effect in the context of price regulation. This is the effect whereby regulation of one of the prices of a multiproduct firm causes one or more of its other unregulated prices to change as a result of the firm's...

The roam-like-at-home regulation (RLAH) eliminated all mobile roaming surcharges to Eu-ropean consumers travelling within the European Economic Area (EEA). We measure the causal impact of the regulation on EEA roaming traffic, using the Rest of the World as a control group. We find large and...

Launching and stimulating competition in telecommunications markets is an important policy goal. It contains two elements: to encourage entry and to make competition effective such that consumers benefit. The first one requires that entrants can make profits after investing in infrastructure so...

Abstract: Die Arbeit zeigt auf Grundlage einer ökonomischen Analyse, dass es für das volkswirtschaftliche Effizienzziel vorteilhaft und damit regulatorisch geboten ist, einen diskriminierungsfreien Teilleistungszugang für Dritte im Briefbereich zu realisieren, und auf welchen Stufen dieser...

Die vorliegende Arbeit will einen ökonomischen Beitrag zur Diskussion über die Zugangsgewährung zu monopolistischen Engpaßeinrichtungen und die damit verbundene Öffnung von angrenzenden Märkten für Wettbewerb leisten, die bislang vornehmlich juristisch geprägt ist. Ziel der Arbeit ist...