Earlier quoted context omitted.
It can. Zero interest rates are the natural rate for money - since it is costless to produce. Therefore that is the optimal rate for the currency issuer. There is no need to pay people not to spend when you can tax them if they do. That's just basic income for rich people. Banks then discount assets into liquidity at a markup over zero and they can be allowed to compete fully and go bust which controls the net intere…
"costless to produce" No, making coins or dollars, particularly the type which is resistant to counter-fitting, takes an awful lot of money to produce. Hell, pennies are worth significantly more than their face value, hence why we have people calling to ban the penny all the time!
Metalism lost the argument centuries ago.
Money is a promise, not a thing.