We use a theoretical model to set up the conditions for a country to attain monetary stability by allowing for two freely tradable currencies to circulate in parallel. For this parallel system to function properly, confidence in the good behavior of the monetary authorities in charge of the two...

The policy reaction to the COVID-19 pandemic will increase budget deficits massively in the world’s leading countries. The deficits will largely be monetised, with heavy state borrowing from both national central banks and commercial banks. The monetisation of budget deficits, combined with...