Milton's Friedman's doctrine regarding the “optimum quantity of money”—according to which an optimal monetary policy would involve a steady contraction of the money supply at a rate sufficient to bring the nominal interest rate down to zero—is one of the most celebrated propositions in modern monetary theory. nostr:note1m2l6ckadh2hcvnxw5m4ej8qhhjl923exgpnz0cdcdke8znatck2s6ut39t