According to the Economist's Big Mac index, when purchasing power parity holds, the price of a Big Mac in the USA should be equal to the price of a Big Mac in other countries.

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The Big Mac index is based on the theory of purchasing power parity, which suggests that exchange rates should adjust to make the price of a similar basket of goods (in this case, a Big Mac) equal across different countries. Therefore, when purchasing power parity holds, the price of a Big Mac in the USA should be equal to the price of a Big Mac in other countries.

According to the Economist's Big Mac Index, When Purchasing Power