The Big Mac Index: Exploring Currency Valuation and Inflation
The Big Mac Index: Exploring Currency Valuation and Inflation
The Big Mac Index is an intriguing economic indicator that offers a unique perspective on the world’s currencies and purchasing power parity (PPP). Created by The Economist in 1986, it has since gained significant recognition as a tool for illustrating currency value comparisons.
What is the Big Mac Index?
Taking a common product available in numerous countries—the McDonald’s Big Mac—the index compares its prices across different currencies. This provides insight into whether a currency is overvalued or undervalued in relation to the US Dollar.
Understanding Purchasing Power Parity (PPP)
The theory underlying the Big Mac Index is purchasing power parity (PPP). According to PPP, identical goods should have the same price in different countries, assuming no transaction costs or trade barriers, when expressed in a common currency.
Sources: The Economist, McDonald’s; Refinitiv Datastream;
IMF; Eurostat; LebaneseLira.org; Banque du Lib…