The question how mergers affect innovation has gained prominence in a number of recent merger cases. Accounting for the likely effects of mergers on innovation is difficult for a number of reasons though. First of all, the relationship between market concentration and innovation is far from...

Kaum eine ordnungspolitische oder regulatorische Frage hat in der deutschen Telekommunikationsbranche wohl in den letzten Jahren für so viel Aufruhr gesorgt, wie die Einführung des neuen §9a in das Telekommunikationsgesetz (TKG). Die neue Vorschrift sieht vor, dass die Bundesnetzagentur...

This paper summarizes the economic principles of European state aid control. We start with a discussion of the economic justification for state aid control, including the definition of state aid in European law and exceptions to the general ban of state aid. We then explore the motives for...

In diesem Aufsatz stellen wir die Ergebnisse einer Umfrage unter den Mitgliedern des Vereins für Socialpolitik vor, welche die Bewertung der Relevanz und Reputation ökonomischer Fachzeitschriften zum Ziel hatte. Bei der Bewertung der Relevanz werden internationale englischsprachige...

The Europeanization of energy policies is desirable because the three main objectives of energy policy (climate protection, security of supply and competitiveness) have cross-border impacts. Hence, it is good that the European Union has been granted a competence for energy policy in the article...

This paper discusses the general characteristics of online markets from a competition theory perspective and the implications for competition policy. Three important Internet markets are analyzed in more detail: search engines, online auction platforms, and social networks. Given the high level...