The currency substitution has occurred in Latin America for a long time.

用美元代替本国货币在拉丁美洲已经有很长历史。

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Monetary currency substitution refers to foreign monetary currency replacing domestic currency in one or several area.

货币替代是指外国货币在本国境内替代本国货币来行使货币的某一种或某几种职能的现象。

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It systematically analyzes the currency non-nationalization theory, and currency substitution theory as well as the law of currency competition.

系统分析了货币非国有化理论、货币替代理论以及货币竞争的法则。

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In their paper, "Currency Substitution--Unofficial Dollarization and Estimates of Foreign Currency Held Abroad, " Feige, Faulend, Sonje and Sosic estimate that 40% to 60% of existing U.S. dollars circulate outside of the U.S. This estimate is supported by the actions of U.S. federal agencies, which produced posters and pamphlets in 24 languages to highlight the new look and anti-counterfeiting features of updated bills produced between 2003 and 2006.

FORBES: Working For The Yankee Dollar