The Big Mac Index is based on the theory of purchasing-power parity ( PPP), which says that exchange rates should move to make the price of a basket of goods the same in each country.

  • 巨无霸指数是建立在购买力平价理论的基础上。购买力平价理论认为,汇率应该使得一揽子商品的价格在各个国家都相同。

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