Grocery retailing is undergoing rapid changes. New store formats and market channels, the entry of additional large players, and increasing multichannel activities on the supply side are accompanied by heterogeneous and changing consumer preferences. Retailers are increasingly competing in both...

This paper evaluates the impact of reference pricing on prices and co-payments in the (German) market for off-patent pharmaceuticals. We present a theoretical model with price-sensitive and loyal consumers that shows that a decrease in the reference price affects the consumers' co-payments in a...

We study how consumer search affects pricing in markets with incumbents and entrants using panel data on German electricity retail markets. Consumers observe the baseline price of the incumbent and decide whether or not to search. Incumbent providers can price discriminate between searching and...

Die wettbewerbsrechtliche Überprüfung, ob eine Preissetzung, -angabe oder -werbung gegen das UWG oder die PAngV verstößt, erfordert Annahmen, wie Verbraucher solche geschäftlichen Handlungen verstehen und darauf reagieren. Die Arbeit stellt die Annahmen des Wettbewerbsrechts über das...