Ludwig Von Mises
Human Action. Part Four, Chapter XVII. Indirect Exchange && 12-19
Summary:
People deal with money-substitutes as if they were money because they are fully confident that it will be possible to exchange them at any time without delay and without cost against money. We may call those who share in this confidence and are therefore ready to deal with moneysubstitutes as if they were money, the clients of the issuing banker, bank, or authority. It does not matter whether or not this issuing establishment is operated according to the patterns of conduct customary in the banking business. Token coins issued by a country's treasury are moneysubstitutes too, although the treasury as a rule does not enter the amount issued into its accounts as a liability and does not consider this amount a part of the national debt. It is no less immaterial whether or not the owner of a money-substitute has an actionable claim to redemption. What counts is whether the money-substitute can really be exchanged against money without delay and cost.
