"Daten sind das Öl des 21. Jahrhunderts" - dieser im Kontext der Datenökonomie häufig zitierte Satz weist auf die enorme Kapitalverschiebung hin, die innerhalb der letzten Jahre stattgefunden hat: Internet-Giganten wie Amazon, Google, Alibaba, Apple, Microsoft, Tencent und Facebook sind...

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...

This paper summarizes the peculiarities of online markets and discusses recent antitrust cases related to online markets. Following a brief description of the online markets' characteristics and potential tendencies for concentration the paper first discusses the antitrust allegations and...

This note contains an empirical analysis of the decision of German‐speaking business scholars to boycott and opt out of the best known research ranking of business scholars, initiated and published by Germany's largest business daily, Handelsblatt. Our analysis indicates that scientists who...

Der vorliegende Beitrag trägt einige empirische Belege zum Verhältnis von wirtschaftspolitischer Beratung und ökonomischer (Spitzen-)Forschung in Deutschland zusammen, um die fortwährende Debatte über dieses Verhältnis mit einer - wenn auch nur etwas - breiteren Datenbasis zu versehen....

This paper analyses the extent of inter-format retail competition between supermarkets, discounters and drugstores in Germany, using data from the German market for diapers. We estimate a random coefficient logit model at the individual household level. Based on consumer substitution patterns,...

This is paper analyses the interrelationship between perceived journal relevance and reputation. Based on a survey of 705 members of the German Economic Association, we find a strong interrelationship between journal reputation and relevance where a journal's perceived relevance has a stronger...