Auf Plattformmärkten werden vielfach Meistbegünstigungsklauseln eingesetzt, durch welche der Anbieter verpflichtet wird, seine Produkte auf der jeweiligen Plattform zu den günstigsten Konditionen zu offerieren. Kartellrechtlich sind diese Klauseln umstritten. Im Jahr 2013 hat das...

Relocation of production to countries with low labour cost have induced increased labour market flexibility, which has been praised as a silver bullet for economic growth and low unemployment. Within a unionised oligopoly framework, in which a multi-national firm has the option to relocate its...

Im September 2011 hat das Bundeskartellamt eine Sektoruntersuchung des Lebensmitteleinzelhandels nach §32 e GWB eingeleitet. Im Fokus der Untersuchung sollten "die Wettbewerbsbedingungen auf den Märkten für die Beschaffung von Nahrungs- und Genussmitteln durch die Unternehmen des...

Given various recent antitrust investigations on the retail sector, we deal with uncovering demand systems substitution patterns for a particular market (diapers) to investigate the inter-format competition (supermarkets vs. discounters vs. drugstores). Using the uncovered demand system we...

Katz (1987), DeGraba (1990), and Yoshida (2000) have formulated theories that price discrimination bans in intermediary goods markets tend to have positive effects on allocative, dynamic and productive efficiency, respectively. We show that none of these results is robust vis-à-vis endogenous...

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,...

Research on bargaining power in vertical relationships is scarce. It remains particularly unclear which factors drive bargaining power between the two negotiating parties in a vertical structure. We use a demand model where the consumer demand determines the total pie of industry profits....

We re-examine the view that a ban on price discrimination in input markets is particularly desirable in the presence of buyer power. This argument crucially depends on an inverse relationship between downstream firms' profits and the uniform input price. Assuming different input efficiencies...