Purchasing power parity (PPP) represents the universality of exchange rate systems.
Purchasing power parity is a measure of prices in different countries that uses the price of a particular commodity to compare the absolute purchasing power of each country's currency with the standard of living of a given population.
A simple example is a liter of Coca-Cola. At €2.3 in France and $2.00 in the US, Coca-Cola's PPP between France and the US is 2.3/2.00 or 1.15.
Purchasing Power Parity (PPP) is a popular indicator used by macroeconomic analysts to compare currencies of different countries through a "shopping basket" approach. Purchasing power parity (PPP) allows economists to compare the economic productivity and living standards of countries.
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