New mobile consumers are demanding access to a wider range of applications and services, convenient payment for digital content and physical goods, and integrated financial management services. As mobile devices evolve into ‘smart devices’, the primary requirements for realizing the digital contents providing services are to implement the compatibly secure payment protocol on m-commerce environ...

We consider the implications of platform price discrimination in the context of card platforms. Despite the platform’s ability to price discriminate, we show it will set fees for card usage that are too low, resulting in excessive usage of cards. We show this bias remains even if card fees (or rewards) can be conditioned on each type of retailer that the cardholder transact with. We use our mod...

Scott Schuh, Oz Shy, and Joanna Stavins Abstract: Merchant fees and reward programs generate an implicit monetary transfer to credit card users from non-card (or “cash”) users because merchants generally do not set differential prices for card users to recoup the costs of fees and rewards. On average, each cash-using household pays $151 to card-using households and each card-using household rec...

Fraud victims are often refused a refund by their bank on the grounds that they failed to comply with their bank’s terms and conditions about PIN safety. We, therefore, conducted a survey of how many PINs people have, and how they manage them. We found that while only a third of PINs are ever changed, almost half of bank customers write at least one PIN down. We also found bank conditions that ...

E-commerce customers may have a problem when paying for the purchase of a major item, if its price is larger than the available credit on their credit card. In the brick and mortar world, this problem would be solved by paying part of the bill with cash or with a second credit card. In e-commerce, however, this has not been an option. Furthermore, even when a customer could pay the whole purcha...

Credit card payment system is the most popular way to make a purchase on electronic commerce. The main problem about using it is that the customer gives his personal information and credit card number to merchant or payment service provider when he makes a purchase in Internet. The result of this action is the lost of customer’s anonymity and privacy in both the real world and Internet. We prop...

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Electronic purse systems are more trusted than magnetic credit card payment systems. However, electronic purse technology is difficult and expensive to realize. Security is a major problem in payment systems, but offline electronic payments have security gaps. Public Key Infrastructure (PKI) solutions, which are applicable with third parties included to the system, have some risks. Smart cards ...