Low key rates hurt the profits of deposit-taking institutions in a differentiated Bertrand game if there is neither a tax on banknotes, nor a limit on its quantity, nor a reduction of its quality. By making the electronic dollar the unit of account and taxing paper currency, the central bank can...

The aim of the paper is to compare the sensitivity of a government's fiscal policy and a central bank's monetary policy, which are in Nash equilibrium in the case of a non-cooperative game between the government and the central bank in Czechia, Hungary, and Romania. The analysis for each country...