Coase-Sandor Working Paper Series in Law and Economics

Publication Date

2013

Publication Title

Law & Economics Working Papers

Abstract

The cost to merchants of taking payment on debit cards declined by more than $7 billion annually as a result of the Durbin Amendment to the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010, while the effective cost to issuers of providing debit card services to consumers increased by a corresponding amount. This paper reports an event-study analysis of stock prices to determine the impact on consumers of the Durbin Amendment. Did consumers gain more from cost savings passed on by merchants, in the form of lower prices and better services, than they lost from cost increases passed on by banks, in the form of higher prices or less service? We find that consumers lost more on the bank side than they gained on the merchant side. Our estimate is that, based on the expectations of investors, the present discounted value of the losses for consumers as a result of the implementation of the Durbin Amendment is between $22 and $25 billion.

Number

658

Included in

Law Commons

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