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,...

The paper offers a roadmap to the current economic thinking concerning interchange fees. After describing the fundamental externalities inherent in payment systems and analysing merchant resistance to interchange fee increases and the associations' determination of this fee, it derives the...

The contributions presented in this volume are a good illustration of the incredible richness and depth of the challenges posed by multi-sided industries.

The paper analyzes two controversial features of the credit card industry. The first is the cooperative determination of the interchange fee by member banks in credit card associations (Visa and MasterCard). The interchange fee is the ``access charge'' paid by the merchants' banks, the...

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,...

Payment card associations offer both debit and credit cards and, until recently, engaged in a tie-in on the merchant side through the so-called honour-all-cards (HAC) rule. The HAC rule came under attack on the grounds that the credit and debit card markets are separate markets and that the...

Systemic risk refers to the propagation of a bank's economic distress to other economic agents linked to that bank through financial transactions. Banking authorities often prevent systemic risk through an implicit insurance of interbank claims, or by reducing interbank transactions and...

Many if not most markets with network externalities are two-sided. To succeed, platforms in industries such as software, portals and media, payment systems and the Internet, must "get both sides of the market on board." Accordingly, platforms devote much attention to their business model, that...