Assuming constant marginal cost, it is shown that a switch from specific to ad valorem taxation has no effect on the critical discount factor required to sustain collusion. This result is shown to hold for Cournot oligopoly as well as for Bertrand oligopoly when collusion is sustained with...

This study constructs a model of anticompetitive exclusive-offer competition between two existing upstream firms. Under exclusive-offer competition, the upstream firm's profit depends on the rival’s exclusive offer. If the rival makes an exclusive offer acceptable for the downstream firm, the...

Firms tend to compete more aggressively in financial distress; the intensified competition in turn reduces profit margins, pushing themselves further into distress and adversely affecting other firms. To study such feedback and contagion effects, we incorporate strategic competition into a...

Der Bundesverband der Arzneimittel-Hersteller e.V. hat einen Forschungsauftrag zur Preisregulierung von erstattungsfähigen Arzneimitteln im generikafähigen Markt in der GKV nach dem GKV-WSG vergeben. Ausgangspunkt ist, dass das Scharfstellen der Rabattverträge zu einem aggressiven...