, deregulatory policies including soft regulation are the dominant policy in 'black' areas, where several independent infrastructure …

innovations. Moreover, national regulators become more independent, and former national regulation tasks are partially shifted to …

, 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. …

, there is a need for unbundling regulation to foster competition. Improvements to the current open-network 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 …