The Pizza Principle: Linking Fast Food With The Economy
- Fast food consumption can be used as an index to measure consumer behaviour and market changes.
- The Pizza Principle, first noticed in New York City in the 80s, revealed that the cost of a subway ride and a slice of pizza remained the same for two decades.
- How much a Big Mac from Mcdonalds (or a similar offering from KFC) costs around the world can measure how the same product costs in different countries. If the product price is the same, the countries have a Purchasing Power Parity (PPP).
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