The big mac index was invented by The Economist in 1986 as a lighthearted guide to whether currencies are at their “correct” level. It is based on the theory of purchasing-power parity (PPP), the ...
The “Big Mac Index” was created in the 1980s by economists looking to evaluate the relative levels of affordability among ...
McDonald’s owed its early success to zealous pickiness. Other restaurant chains in the 1960s had similar rules for food preparation and cleanliness. But none enforced them as rigorously, according to ...