A controversial aspect of payment cards has been the “no-surcharge rule.” This rule, which is part of the contract between the card provider and a merchant, states that the merchant cannot charge a customer who pays by card more than a customer who pays by cash. In this paper we consider the...

We investigate the role of settlement in a dynamic model of a payment system where the ability of participants to perform certain welfare-improving transactions is subject to random and unobservable shocks. In the absence of settlement, the full information first-best allocation cannot be...

The role of money in society has been a controversial topic in economic theory over many years. Particular attention has been devoted to the analysis whether there should be competition in the supply of money, or whether this is best left to a governmental agency. This paper reviews the...