The study applies two approaches for the estimation of the social costs of main payment instruments (cash, debit card and credit card transactions, credit transfers, direct debits, business-to-business direct debits, postal inpayment money orders, postal outpayment money orders for pensions)...

The interchange fee applied in four-party card systems transfers incomes in the payment card business from merchants to cardholders. Assessment of the interchange fee and the interpretation of its role have prompted serious professional debate in recent years. Beyond the professional debate,...