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Fiat money is currency which derives its value from government regulation or law. The term derives from the Latin ''fiat'' ("let it be done", "it shall be").〔''Fiat'' is the third-person singular present active subjunctive of ''fiō'' ("I become", "I am made").〕 It differs from commodity money and representative money. Commodity money is created from a good, often a precious metal such as gold or silver, which has uses other than as a medium of exchange (such a good is called a commodity), while representative money simply represents a claim on such a good.〔〔〔See Monetary economics for further discussion.〕 The first use of fiat money was recorded in China around 1000 AD. Since then, it has been used continuously by various countries, concurrently with commodity currencies. ==Definition== Fiat money has been defined variously as: * Any money declared by a government to be legal tender. * State-issued money which is neither convertible by law to any other thing, nor fixed in value in terms of any objective standard. * Intrinsically valueless money used as money because of government decree.〔 〕 While gold- or silver-backed representative money entails the legal requirement that the bank of issue redeem it in fixed weights of gold or silver, fiat money's value is unrelated to the value of any physical quantity. A coin is fiat currency to the extent its face value, value defined in law, is greater than its market value as metal. 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「fiat money」の詳細全文を読む スポンサード リンク
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