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Coin quality, coin quantity, and coin value in early China and the Roman world

Ancient Chinese CoinsCoin quality, coin quantity, and coin value in early China and the Roman world

Walter Scheidel

Princeton/Stanford Working Papers in Classics: September (2009)

Abstract

In ancient China, early bronze ‘tool money’ came to be replaced by round bronze coins that were supplemented by uncoined gold and silver bullion, whereas in the Greco-Roman world, precious-metal coins dominated from the beginnings of coinage. Chinese currency is often interpreted in ‘nominalist’ terms, and although a ‘metallist’ perspective used be common among students of Greco-Roman coinage, putatively fiduciary elements of the Roman currency system are now receiving growing attention. I argue that both the intrinsic properties of coins and the volume of the money supply were the principal determinants of coin value and that fiduciary aspects must not be overrated. These principles apply regardless of whether precious-metal or base-metal currencies were dominant.



How was the valuation of ancient coins related to their quality and quantity? How did ancient economies respond to coin debasement and to sharp increases in the money supply relative to the number of goods and transactions? I argue that the same answer – that the result was a devaluation of the coinage in real terms, most commonly leading to price increases – applies to two ostensibly quite different monetary systems, those of early China and the Roman Empire.

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