Capital One Gets the Greenlight to Move Forward With Discover Acquisition

On the other hand, the deal could give Discover the additional backing it needs to compete with Visa and Mastercard, which some policymakers say have a duopoly on the credit card network market. American Express, the third-largest network, is both a payment network and an issuer, like Discover. More competition among payment networks could lead to lower swipe fees, which retailers could potentially pass along to cardholders. Bloomberg/Getty Images While it's unclear what changes are coming for cardholders, ...