This study examined the effects of mobile money-a recent innovation in Uganda’s financial-sector landscape-on aggregate economic activity and other macroeconomic variables. We first estimated the long-run mobile-money demand function using vector error correction (VEC) techniques,...

The paper presents the welfare cost of inflation in a banking time economy that models exchange credit through a bank production approach. The estimate of welfare cost uses fundamental parameters of utility and production technologies. It is compared to a cash-only economy, and a Lucas (2000)...

The natural interest rate is of great relevance to central banks, but it is difficult to measure. We show that in a standard microfounded monetary model, the natural interest rate co-moves with a transformation of the money demand that can be computed from actual data. The co-movement is of a...

Remarks at the Andrew Crockett Memorial Lecture, Bank for International Settlements 2013 Annual General Meeting, Basel, Switzerland.

Digital payments are growing rapidly, and the use of cash seems to be declining, at least in advanced economies in Europe and the U.S. However, the literature on payment systems provides an interesting perspective- cash, or currency, when measured as a percentage of the gross domestic product,...