This paper considers the impact of European telecom regulation on the value of affected companies. Employing a repeating ARGARCH model, I compare the effect of three types of regulation which are categorized based on the addressed subject, i.e. cross-market, country-specific and company-specific...

In many telecommunications markets incumbent providers enjoy a demand-side advantage over any entrant. However, market entrants may enjoy a supply-side advantage over the incumbent, since they are more efficient or operate on innovative technologies. Considering both a supply-side and a...

In the course of the 1990s, the EU has embarked on an ambitious regulatory reform programme for a number of European network industries, such as telecommunications, energy and transport. This paper analyses the potential benefits of successful reforms in these sectors with a focus on the price...

This paper examines mobile termination fees and their regulation when networks are asymmetric in size. It is demonstrated that with consumer ignorance about the exact termination rates (a) a mobile network's termination rate is the higher the smaller the network's size (as measured through its...

This paper analyzes how competition works in mobile telecommuncations markets and, bases on this analysis, we discuss whether regulatory intervention in mobile telephone markets is justified from an economic perspective. Starting point of our analysis is the observation that an evaluation of...

A mandatory open-network-provision (ONP) by dominant firms is the appropriate government regulation in the presence of network externalities. For basic telephone services and online services, a permanent ONP regulation seems indispensable, whereas telecommunication networks only require...

The paper aims at empirically investigating the relationship between regulation and the capital structure of the regulated firm, A key aspect of the referred relationship pertains a leverage effect according to which debt could be increased as a response to previous physical capital investment...

This paper presents a basic framework to assess whether structural (vertical) separation is desirable. It is discussed within the setting of fixed telecommunications markets. From an economist's perspective, the key question that underlies the case for structural separation is: is there a...

We analyze the demand and supply characteristics of the Indian telecommunications market, in order to assess the potential effectiveness of universal access policies in developing countries. We provide some empirical evidence on the supply and demand characteristics, using a small...

Der Telekommunikationsmarkt hat sich zu einem äußerst dynamischen, innovationsund technologiegetriebenen Markt entwickelt. Die Lebenszyklen der Telekommunikationstechnik sind heute vergleichsweise kurz, die Technik entwickelt sich zunehmend in Sprüngen weiter. Der Ende der 90er Jahre...