We consider the regulation of national firms in a common market. Regulators can influence the production of national …

, investments increase off-net traffic from the investor’s network but also from competitors’ networks. Regulation changes the … functions. Testing for a common regulation-investment effect provides evidence that the negative investment externality is not … due to regulation. …

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 regulation. While standard event study approaches are a special …

This paper analyses how different types of access regulation to next generation networks affect investments and … regulatory holiday induces highest investments, followed by risk-sharing and long-run-incremental cost regulation. Risk …

question arises how telecommunications markets of the future will develop and what role regulation ought to have in this …

difficult to achieve at the same time. In this paper, we consider price regulation in the retail and wholesale market and answer … access price regulation is an effective instrument to make the entrant and consumers better off. …

This paper reviews comparative approaches to key issues in economic regulation in four countries of the Southern … evaluated with a focus on regulation of spectrum assignment, infrastructure sharing, call termination rates, and number … findings of this paper suggest that, in practice, the level of alignment between countries currently is low, and regulation …

complementarity. -- competition ; complementarity ; concentration ; regulation, separation, substitutability. …