Castro, Daniel Tavares de; Schmitz, Emerson; Azevedo, … - In: Latin American journal of central banking : LAJCB 4 (2023) 1, pp. 1-14
debit and credit card interchange fees, the merchant discount rate (MDR) of debit transactions, debit and credit card usage … debit and credit card MDR in 2019Q4 and 2020Q1. The cap reduces card issuers' earnings from the debit card interchange fee …