Preisgarantien im Einzelhandel scheinen auf den ersten Blick Ergebnis eines intensiven Wettbewerbs zu sein. Theoretische Analysen und empirische Studien zeigen jedoch, dass dies in der Regel nicht der Fall ist. Preisgarantien und hier vor allem Garantien, bei denen mehr als die Differenz zu...

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...

The paper deals with the competitive effects of price guarantees in a spatial duopoly where consumers can search for lower prices but have to incur hassle costs if they want to claim a price guarantee. It is shown that symmetric equilibria with and without price guarantees exist but price...

If a damages claim is presented in court and compensation of harm suffered is sought, quantifying the level of damages suffered becomes necessary. An economically founded quantification of the damages caused by competition law infringements has increased in importance in particular through the...

This paper analyses the inter-firm R&D network formed in the pharmaceutical biotechnology industry during the 1990s from different perspectives: theoretical network formation, firm's structural positions and its collaborations at the entire network level, and the determinants for firm's...

The paper deals with the competitive effects of price guarantees in a spatial duopoly where consumers can search for lower prices but have to incur hassle costs if they want to claim a price guarantee. It is shown that symmetric equilibria with and without price guarantees exist but price...

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The paper analyses the core of a production economy with asymmetric information. Due to the incompleteness of information the transactions an agent can make are restricted. However, if the agent joins a coalition, his information changes according to an exogenously given information rule. The...

This paper presents a dynamic model of endogenous coalition formation in cooperative games with transferable utility. The players are boundedly rational. At each time step, a player decides which of the existing coalitions to join, and demands a payoff. These decisions are determined by a...