We analyze the effects of accidents and liability obligations on the incentives of car manufacturers to monopolize the markets for their spare parts. We show that monopolized markets for spare parts lead to inefficiently high prices for spare parts. Furthermore, monopolization induces the...

In current power markets, the bulk of electricity is sold wholesale and transported to consumers via long-distance transmission lines. Recently, decentralized local power markets have evolved, often as isolated networks based on solar generation. We analyze strategic pricing, investment, and...

In current power markets, the bulk of electricity is sold wholesale and transported to consumers via long‐distance transmission lines. Recently, decentralized local energy markets have evolved, often as isolated networks based on solar generation. We analyze strategic pricing, investment, and...

We analyze a stylized model of the world grain market characterized by a small oligopoly of traders with market power on both the supply and demand side. Crops are stochastic and exporting countries can impose export tariffs to protect domestic food prices. We show that export tariffs are...

Die aktuelle Diskussion über die Deregulierung des Taximarktes wirft die grundsätzliche Frage auf, ob unregulierter Wettbewerb auf diesem Markt zu effizienten Ergebnissen führen kann, oder ob es nicht auch aus ökonomischer Sicht gute Gründe für staatliche Eingriffe gibt. Eine Abwägung...