In recent years, regulators in various parts of the world have capped interchange fees on debit and credit cards. The justification for the caps rests to a large extent on the argument that these cards have, for certain merchants, become must-take cards rather than ‘wanna-take cards'. That is,...

The two-sided market theory holds that consumer adoption and merchant acceptance of payment cards are interdependent. However, empirical evidence on such network externalities is scarce, especially for the merchant side. This paper uses a logit model to explain merchant card acceptance in...