Der Einzelhandel in der Bandbreite seiner heutigen Erscheinungsformen hat auf der Angebotsseite sowie auf der Nachfrageseite in den zurückliegenden Jahrzehnten einen gravierenden Wandel vollzogen. Dabei ist eine generalisierende Beurteilung sehr schwierig, liegen doch zwischen SB-Warenhäusern,...

This study reinvestigates the theoretical relationship between competition in banking and banks' exposure to risk of failure. There is a large existing literature that concludes that when banks are confronted with increased competition, they rationally choose more risky portfolios. We briefly...

This paper investigates the degree of bank competition in the euro area, the U.S. and U.K. before and after the recent financial crisis, and revisits the issue whether the introduction of EMU and the euro have had any impact on bank competition. The results suggest that the level of bank...

This paper is concerned with the question of how to deal with Google Shopping’s position on online markets in order to prevent harm to public welfare. From the perspective of sellers and buyers of goods and services in Germany, Google can be seen as a gatekeeper to the Internet and thus as an...

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The paper studies the impact of homophily on the optimal strategies of a monopolist, whose marketing campaign of new product relies on a word of mouth communication. Homophily is a tendency of people to interact more with those who are similar to them. In the model there are two types of...