Credit cards provide benefits to consumers and merchants not provided by other payment instruments as evidenced by their explosive growth in the number and value of transactions over the last 20 years. Recently, credit card networks have come under scrutiny from regulators and antitrust...

The paper investigates, in a non-technical fashion, the economic determinants of interchange fees in payment card systems and the potential need for their regulation. Among other things, it demonstrates that the proposal for a cost-based regulation of interchange fees relies on an erroneous,...

Open payment card networks typically coordinate the activities of thousands of financial institutions that issue cards, millions of retail locations that accept them, and several hundred million consumers that use them. This coordination can include the collective setting of certain prices and...

We synthesize the results of the recent theoretical literature on the determination of interchange fees by payment card associations. We analyze in particular the conditions under which these interchange fees are excessively high, as compared with social optimum. These conditions involve several...

Significant attention worldwide has been paid to the regulation of credit card interchange fees. In part, this attention has followed concerns expressed about the level of these fees in Europe, the U.S. and Australia. The Reserve Bank of Australia recently conducted an extensive inquiry into the...

Automated teller machines (ATMs) have altered the relationship between banks and their depositors, as well as the competitive relationships among banks. In this paper, I survey the literature to describe the ways that ATMs have influenced these aspects of banking markets, and conclude with...

We survey the limited data that exists concerning the cost of making/receiving a payment by banks, retailers, and other parties to a transaction. Since an electronic payment costs between one-third and onehalf that of a paper-based instrument, a country may save 1% of its GDP annually as it...

Consumers pay for hundreds of goods and services each year, but across households and across goods, consumers do not choose to pay the same way. This paper posits that payment choices depend in part on consumers' propensity to adopt new technologies and in part on the nature of the transaction....

Multi-sided platform markets have two or more different groups of customers that businesses have to get and keep on board to succeed. These industries range from dating clubs (men and women), to video game consoles (game developers and users), to payment cards (cardholders and merchants), to...

The popular press often extolls packet networks as much more efficient than switched voice networks in utilizing transmission lines. This impression is reinforced by the delays experienced on the Internet and the famous graphs for traffic patterns through the major exchange points on the...