Purchasing Power Parity (PPP) and Real Exchange Rates (RER)

Abstract: In this article, we introduce the Purchasing Power Parity, a theory that stipulates that in the long run, the exchange rate between two countries should even out so that goods essentially cost the same in both countries. The research organizes as follows. In Section 1, we introduce the PPP theory based on the work of Dornbusch (1985), presenting the absolute and relative versions of PPP. In Section 2, we provide three difference analysis and compare the exchanges of Canada, Britain and Japan  (all vs. USD) against their PPP values using Eurostat-OECD data. Section 3 presents the Real Exchange Rate (RER), a rate which seeks to measure the value of a country’s goods relative to the those of another country at the prevailing exchange rate.

LINK ===> PPP and RER


(PPP Value relative to the US Dollar)

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