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SPECIAL ARTICLES
Exchange
Rate
the Power
of
Rupee Parity
Ashok K Nag Amit-Mitra
and
Purchasing
The authors examine the rupee-dollar rate, the principal exchange rate in the Indian market, in the light of the Purchasing Power Parity theory. Such an examiniation has some importantpolicy intplications. The Committee on Capital Account Convertibility has recommended a Monitoring Exchange Rate Band of ?5 per cent around the neutral REER. An intervention regime that tracks movenent in REERfrom a neutral base period rate implies that an equilibrium exchange rate can be worked out on the basis of PPP. How valid is this presumption?
AS an empiricaleconomic propositionthe powerparity(PPP)theorymerely purchasing that states international pricesof traded goods and services when converted to a common currency should equalise across national boundaries.If allowances are