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A standard of deferred payment is the accepted way, in a given market, to settle a debt – a deferred payment" is not as widely used as other terms for functions of money, namely medium of exchange, store of value, and unit of account, though it is distinguished in some works. == Functions of money == Money is held to serve multiple distinguished but related functions, of which a "standard of deferred payment" is one.〔T.H. Greco. ''Money: Understanding and Creating Alternatives to Legal Tender'', White River Junction, Vt: Chelsea Green Publishing (2001). ISBN 1-890132-37-3〕〔(An introduction to money and banking ), by Colin Dearborn Campbell, 1978, p. 23〕〔(Money and the economy ), by John J. Klein, (p. 5 )〕〔(Applied economics in banking and finance ), by H. Carter, Ian Partington, (p. 26 )〕〔(Money, Banking, and Monetary Policy ), by Colin Dearborn Campbell, Rosemary G. Campbell, Edwin G. Dolan, 1987, (p. 38–40 )〕 The most commonly distinguished functions of money are as a medium of exchange, a unit of account, a store of value, and, sometimes, a standard of deferred payment, summarized in a mnemonic rhyme of older economics texts: :"Money is a matter of functions four, a medium, a measure, a standard, a store." However, many newer texts do not distinguish the function of a standard of deferred payment, subsuming it in other functions.〔Krugman, Paul & Wells, Robin, ''Economics'', Worth Publishers, New York (2006)〕 Being a standard of deferred payment is one of the functions of money; it is distinct from: * the medium of exchange function which is used for immediate payments, not deferred payments and requires durability when used in trade, and a minimum of opportunity to cheat others — as the diamond or gold example below illustrate; * the store of value function, which relates to the saving, storing, and retrieval of value; and * from the unit of account function which requires fungibility so accounts in any amount can be readily settled. When currency is stable, money can serve all four functions. When it is not, or when complex and volatile forms of financial capital are involved, some may wish to identify a single standard of deferred payment to avoid cheating. For example, a debtor might try to cheat by selecting a denominator of debt that is forecast to drop in value so the real value of his payment to the lender will be lower. The lender can avoid this by selecting a denomination of debt that is forecast to maintain its value. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Standard of deferred payment」の詳細全文を読む スポンサード リンク
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