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国际元

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国际元(英语:international dollar),又称吉尔里-哈米斯元(Geary-Khamis dollar),在特定时间与美元有相同购买力的假设通货单位。1990年或2000年常用作基准,与其他年份作比较。国际元由罗伊·C·吉尔里于1958年提出,萨利姆·汉纳·哈米斯于1970-1972年发展而成。

国际元建基于通货购买力平价(PPP)与日常用品国际平均价格的双生概念。1国际元在相应国家能买到的东西,与1美元在美国能买到的东西相同。国际元和国际汇率皆可用作比较各国人均国内生产总值。不过在比较各地生活水平时,国际元比国际汇率更准确。


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国际元
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