The paper addresses the question of pricing access to the network facilities of an incumbent firm after deregulation. Network access pricing continues to be regulated in such industries as telecommunications, railroads, electric power and natural gas. We emphasize that access prices should be...

In this paper, unlike the conventional wisdom, we demonstrate that the relationship between the size of the market and number of firms would be non-monotonic. While moderate rise in the size would force the local firms to exit and only the foreign firm rules, substantial rise in the size would...

Der Wettbewerb zwischen Unternehmen verlagert sich hin zum Wettbewerb zwischen ganzen Wertschöpfungsketten. Hierdurch gewinnt neben der effizienten Zusammenarbeit der am Leistungsprozess beteiligten Unternehmen die Interaktion mit dem jeweils angrenzenden Wettbewerbsumfeld (Beschaffungsmärkte,...

We analyze the existence of pure strategy symmetric price equilibria in a generalized version of Salop (1979)'s circular model of competition between differentiated products - namely, we allow consumers to purchase more than one brand. When consumers purchase all varieties from which they derive...