Power market integration is analyzed in a two countries model with nationally regulated firms and costly public funds. If generation costs between the two countries are too similar negative business-stealing outweighs efficiency gains so that following integration welfare decreases in both...

In German electricity submarkets for residential customers standard contracts offered by former monopolists are the more costly option for customers who have not switched to an alternative contract yet. As most German households are served with this contract type we follow the Limit Pricing...

Due to the 3rd Energy Package of 2009 the regulation of European electricity transmission did change considerably. Before, cross-border electricity issues have been regulated by voluntary contractual agreements between Transmission System Operators. Now, the new-founded Agency for the...

While liberalization in energy markets has been a widely successful process all over the world, incumbents often still hold a dominant position. Thus, electricity wholesale markets are subject to market surveillance. Nevertheless, consolidated findings on abusive practices of market power and...

While liberalization in energy markets has been a widely successful process all over the world, incumbents often still hold a dominant position. Thus, electricity wholesale markets are subject to market surveillance. Nevertheless, consolidated findings on abusive practices of market power and...

The aim of this paper is to give deeper insights into the impact of regulatory reforms and privatization on R&D spending of electricity utilities. Building on a panel data set including the biggest European utilities from eight EU-countries over a period from 1985 until 2010, we find a strong...

The commercial value added in electricity distribution networks and smart grids is increasing. Concerns about competition on a level-playing field are raised and the debate on vertical network unbundling is beginning to address the level of the distribution networks. With regard to the...

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...

What is a good balance between competition and coordination in network industries? Network unbundling aims to promote competition, but this has to be balanced against the downside of unbundling: firm-internal coordination falls away and must be replaced by external market mechanisms. This is a...

Current EU legislation establishes that distribution and transmission systems shall be operated through legally separate entities where vertically integrated undertakings exist. At the same time, European Union's Energy Policy promotes generation of electricity from renewable sources which...