Last Week In Switzerland, A Big Mac Cost $7.54

The Economist invented the Big Mac Index in 1986 as an entertaining way to assess whether currencies were at the “correct” levels. The index uses purchasing power parity (PPP) to measure one currency against another. PPP is the idea that exchange rates should adjust so the same product (in this case, a hamburger) has the same price in two different countries when the price is denominated in the same currency. After updating the Index on January 22, 2015, The Economist reported: (more…)