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LogoutThis basically depicts the purchasing power of a country, this is done to understand the purchasing power if customers whether they can afford a product before the launch or not.
A theory which relates changes in the nominal exchange rate between two countries currencies to changes in the countries’ price levels. The purchasing power parity theory predicts that an increase in a currency’s domestic purchasing power will be associated with a proportional currency appreciation, and that a decrease will be associated with a proportional currency depreciation