Final answer:
The Big Mac Theory of Exchange Rates is used to analyze the accuracy of purchasing power parity theory.
Step-by-step explanation:
The Big Mac Theory of Exchange Rates is used to analyze the accuracy of purchasing power parity theory. Purchasing power parity (PPP) is a concept that considers the prices of the same goods in different countries. The theory suggests that exchange rates should adjust based on the relative prices of identical goods, such as the price of a Big Mac, to achieve parity.