This paper applies parametric and non-parametric and parametric tests to assess the efficiency of electricity distribution companies in Germany. We address traditional issues in electricity sector benchmarking, such as the role of scale effects and optimal utility size, as well as new evidence...

The purpose of this research is to evaluate the impact of vertical unbundling on German electric utilities. Our research mainly relies on in-depth interviews with sector-experts from the German utilities. We will discuss both short-term changes and the long-term impact on competition in the...

Much scope remains to make regulation of product markets more conducive to competition ? notwithstanding progress in recent years ? with substantial benefits for consumer welfare, productivity and employment. While the general competition legislation and enforcement framework is mostly...

This study was prepared by Andreas Kuhlmann, while he was working with the Ifo Institute for Economic Research. It was completed in September 2006 and was accepted as a Ph.D. thesis by the Economics Department of the University of Munich. The subject of this study is the analysis of network...

This paper applies parametric and non-parametric and parametric tests to assess the efficiency of electricity distribution companies in Germany. We address traditional issues in electricity sector benchmarking, such as the role of scale effects and optimal utility size, as well as new evidence...

The effects of a new firm's entry into the telecom service market are examined further. These consist of up- and downstream markets, corresponding to the first and second stages in game theory. When a new entrant can succeed in process innovation and lower production cost, entry of the entrant...

This paper provides a productivity analysis of German electricity distribution companies. It addresses both traditional issues in electricity sector benchmarking, such as the role of scale effects and optimal utility size, as well as new evidence specific to the situation in Germany. Regarding...

Much scope remains to make regulation of product markets more conducive to competition ? notwithstanding progress in recent years ? with substantial benefits for consumer welfare, productivity and employment. While the general competition legislation and enforcement framework is mostly...

This study was prepared by Andreas Kuhlmann, while he was working with the Ifo Institute for Economic Research. It was completed in September 2006 and was accepted as a Ph.D. thesis by the Economics Department of the University of Munich. The subject of this study is the analysis of network...