We analyze the impact of interchange fees on consumers' and merchants' incentives to adopt an innovative payment instrument, in a setting where there are adoption externalities between consumers and merchants. We show that consumer adoption decreases with the interchange fee for high degrees of...

This paper studies the incentives of a merchant to bypass a payment platform by issuing private cards. In our model, a payment platform allocates the total cost of a card transaction between a monopolistic issuer and a monopolistic acquirer by choosing an quot;interchange feequot;. We determine...