This paper studies the relationship between the level of economic development and the incidence of three forms of payments across countries, namely the incidence of bank accounts, digital payments, and mobile money accounts among the adult populations across countries. It presents simple...

Many households in developing countries lack formal financial histories, making it difficult for firms to extend credit, and for potential borrowers to receive it. However, many of these households have mobile phones, which generate rich data about behavior. This article shows that behavioral...