We provide a comprehensive quantitative assessment of cartels and the related cartel enforcement process in the European Union (EU) from 2001 to 2015. In a first step, we present a detailed characterization of all cartel cases decided by the European Commission (EC) with respect to various...

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...

We model merger control procedures as a process of sequential acquisition of information and compare US and EU procedures. In the US, the authorities do not have to justify their decision to require further information (issue a second request), whereas in the EU, the authorities face a different...

The bus transport sector evolved from a highly regulated and concentrated market with a handful of players in the 1970s to a more liberalized albeit still regulated market with hundreds of small operators. Major reforms in bus transport regulation were carried out in the early 1990s and 2000s...