We show that for a spatially differentiated economy reduced product variety is the likely outcome of mergers except in cases where exit costs in relation to (outlet-specific) fixed costs are high. Our empirical analysis of the Austrian retail gasoline market confirms that increases in...

We develop a model in which ex ante identical firms make endogenous entry and technology adoption decisions. We show that this model is capable of matching the stylized facts in which entry and adoption are dispersed over time and that, in many industries, it is the newest firms which are the...

We develop a model in which ex ante identical firms make endogenous entry and technology adoption decisions. We show that this model is capable of matching the stylized facts in which entry is dispersed over time and that, in many industries, it is the newest firms which are the most likely to...

This paper analyzes exclusionary conduct of platforms in two-sided markets. Motivated by recent antitrust cases against shopping centers introducing radius restrictions on their tenants, we provide a discussion of the likely positive and normative effects of exclusivity clauses, which prevent...

This paper analyzes exclusionary conduct of platforms in two-sided markets. Motivated by recent antitrust cases against shopping centers introducing radius restrictions on their tenants, we provide a discussion of the likely positive and normative effects of exclusivity clauses, which prevent...

This paper analyzes exclusionary conduct of platforms in two-sided markets. Motivated by recent antitrust cases against shopping centers introducing radius restrictions on their tenants, we provide a discussion of the likely positive and normative effects of exclusivity clauses, which prevent...

Airbnb und Uber schaffen mit ihren Geschäftsmodellen neue Märkte. Werden dadurch Ressourcen besser genutzt, oder werden soziale Standards und gesetzliche Regulierungen umgangen? Nach Meinung von Tim Brühn und Georg Götz, Universität Gießen, bilden sich im Ergebnis Unternehmen mit hohen...

Airbnb und Uber schaffen mit ihren Geschäftsmodellen neue Märkte. Werden dadurch Ressourcen besser genutzt, oder werden soziale Standards und gesetzliche Regulierungen umgangen? Nach Meinung von Tim Brühn und Georg Götz, Universität Gießen, bilden sich im Ergebnis Unternehmen mit hohen...