Demurrage (currency) subsidy. Both inflation and demurrage reduce the purchasing power of money held over time, but demurrage does so through fixed regular fees, while inflation does it in a variety of ways. Inflation is certainly not always everywhere a monetary phenomenon. Inflation is not always easy to predict & it does not stay fixed through time, but the level of demurrage is fixed by the Government. Gresham's law that "bad money drives out good" suggests that demurrage fees would mean that a currency would suffer more rapid circulation than competing forms of currency. This led some such as German-Argentine economist Silvio
Gresham's law for its bullion value, money that is considered to be "good" tends to leave an economy through international trade. International traders are not bound by legal tender laws as citizens of the issuing country are, so they will offer higher value for good coins than bad ones. The good coins may leave their country of origin to become part of international trade, escaping that country's legal tender laws and leaving the "bad" money behind. This occurred in Britain during the period of the gold standard. The law was named after Sir Thomas Gresham, a sixteenth-century financial agent of the English