“…We are the first to develop a (two-sided payment) model to study both households and firms together. On the household side, our paper is related to the strand of research focused on the disintermediation impact of CBDC (Andolfatto, 2021, Keister and Sanches, 2022, Chiu et al, 2022, Whited et al, 2022, Garratt et al, 2022, Piazzesi and Schneider, 2020, Agur et al, 2022, Chang et al, 2023, Tan, 2023. 9…”