This paper uses a dataset from one of the largest credit card issuers in Brazil to investigate the extent of credit constraints for one of the world's largest emerging market economies. In order to deal with the endogeneity problem from an observational dataset, an identification strategy based...

Switching costs are a leading cause of customer lock-in in banking, reducing the extent of competition and increasing market power in this industry. This paper tries to estimate these costs using a methodology that does not require customer microdata. The estimates obtained here—using bank...