“[The] Big Mac index is based on the theory of purchasing-power parity, under which exchange rates should adjust to equalise the cost of a basket of goods and services. … Our basket is the Big Mac” (a hamburger produced by the fast-food chain, McDonald’s). Includes comparisons of recent international Big Mac prices, a “Coca-Cola map of the world,” and articles about McDonald’s and fast food. From The Economist. (Citation from LII.org)
