Explain the concept of purchasing power parity.

Macroeconomics
13th Edition
ISBN:9781337617390
Author:Roger A. Arnold
Publisher:Roger A. Arnold
Chapter22: International Finance
Section: Chapter Questions
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Explain the concept of purchasing power parity.

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Step 1
When the part exchange of currencies takes place between two or more
countries, purchasing power parity theoryis beneficial in this context. It
is based on the law of one price which means that the retail (selling)
price of the product will be similar in two different markets excluding
the variations in transportation cost and other taxes.
The implementation of PPP theory will1 be beneficial both during the
short run as well as the long run, but more benefits can be witnessed in
the long run eventually. PPP theory helps in comparing price differences
and rates over daily, weekly and yearly periods between two countries
over the short run to the long run.
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