The economics of payment finality

Charles Kahn and William Roberds

Economic Review, 2002, vol. 87, issue Q2, 12 pages

Abstract: Payment finality is critical to decentralized exchange. By specifying how the transfer of one type of claim extinguishes another, the rules governing finality minimize opportunities for default along credit chains and allocate other risks. ; The authors provide a basic analysis of finality and its role in facilitating exchange. They first present a simple, historically based model of transferable debt and finality. The discussion demonstrates the desirability of transferable debt and why rules governing payment finality are needed to sort out who will bear the losses in the event of default. Over time, the introduction of such rules helped establish the concept of negotiability, which greatly increased the efficiency of trade. ; A second model shows how a more modern payment system works. The large volume and scope of payments in modern systems have resulted in disparate sets of finality rules. For example, the finality of check payments is generally tentative, and the risks are often concentrated on a single party. Credit and debit card payments are generally more final, and the liability for potential losses tends to be shared among participants. Choosing the degree of finality for a given situation involves a trade-off between the benefits of finality and the costs of an erroneous or fraudulent transfer. The introduction of new technologies for payments may improve these trade-offs, but finality will remain the essential service provided.

Keywords: Payment systems; Credit cards; Checks (search for similar items in EconPapers)
Date: 2002
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Citations: View citations in EconPapers (5)

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