This paper analyzes a sequential game where firms decide about outsourcing the production of a non-specific input good to an imperfectly competitive input market. We apply the taxonomy of business strategies introduced by Fudenberg and Tirole (1984) to characterize the different equilibria. We...

This paper examines the consequences of introducing mobile number portability (MNP). As MNP allows consumers to keep their telephone number when switching providers, it reduces consumers’ switching costs. However, MNP may also cause consumer ignorance if telephone numbers no longer identify...

In diesem Aufsatz untersuchen wir, warum Staaten Anreize haben, Umweltverschmutzung zu besteuern anstatt Umweltverschmutzungsrechte zu veräußern. Unser Modell berücksichtigt, dass Regierungen sowohl umweltpolitische Ziele als auch fiskalische oder industriepolitische Motive haben können. Wir...

This paper analyzes the incentive effects of pollution taxes versus pollution permits for a revenue maximizing Government that also pursues environmental objectives. In our model, pollution permits are analyzed as durable goods, and the leasing of pollution permits is seen as an equivalent to a...