León, Carlos; Moreno, Jose F.; Soramäki, Kimmo - In: Jahrbücher für Nationalökonomie und Statistik 245 (2025) 4/5, pp. 401-433
We use agent-based modelling to build a digital twin of the retail payment system, where heterogeneous consumers and merchants interact, learn, and adapt as they meet and use different monies and payment instruments. As we introduce an rCBDC, the model simulates its adoption. We calibrate this...