Kartengestützte Zahlungssysteme wie Kreditkarten, Kundenkarten, Electronic Cash und elektronische Geldbörse ersetzen zunehmend das klassische Bargeld in unserer Geldwirtschaft. Der Schwerpunkt der gegenwärtigen wissenschaftlichen Arbeiten auf diesem Gebiet konzentriert sich auf die...

The elimination of interest from financial transactions has been a salient goal of Islamization movements around the world. Its proponents have had to balance this objective, which they claim to draw from Islamic law (sharia), against consumer demand for convenient products. In general they have...

We study the bancarization of marginal borrowers using credit cards and document that this process is difficult: default risk is substantial, returns heterogeneous, and account closings common. We also take advantage of a randomized control trial that varied interest rates and minimum payments...