The Fourth Quarter 2008 edition of Economic Perspectives from the Federal Reserve Bank of Chicago includes an article titled "Economics of payment cards: A status report" by Wilko Bolt and Sujit Chakravorti.

From the abstract: "This article surveys the recent theoretical literature on payment cards (focusing on debit and credit cards) and studies this research's possible implications for the current public policy debate over payment card networks and the pricing of their services for both consumers and merchants."

In an article titled "Retailers Offering New Payment Choices", Kelli B. Grant writes for the Wall St. Journal about payments options available to consumers this holiday shopping season.

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