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...

This paper analyses the interdependency between the market formusic recordings and concert tickets, assuming that there are positiveindirect network eects both from the record market to ticket sales forlive performances and vice versa. Using a model with two interrelatedSalop circles we show...

Auch rund 20 Jahre nach der Wiedervereinigung ist die Diskussion um Unterschiede in derBevölkerung in Ost- und Westdeutschland noch nicht verebbt. Vielmehr scheint es immernoch ein vehementes Interesse an Vergleichen zwischen Bürgern in Ost und West zu geben,wobei häufig auch Studierende im...