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Changes in Exchange Rates and National Commodity Price Levels

  • Robert Z. Aliber

Abstract

Three proportionality concepts — the Purchasing Power Parity Theory, Fisher Open and the Interest Rate Parity Theorem — involve the relationships between changes in exchange rates and levels and rates of change of national commodity price levels, interest agios and exchange agios. If these propositions are continuously valid in the short run as well as in the long run, exchange risk disappears; the firm’s net worth, income and market value would not be affected by changes in exchange rates, regardless of the currencies in which its assets and liabilities are denominated.1 To the extent that there are deviations from these propositions, either in the short run or the long run, changes in exchange rates may affect the firm’s income and perhaps its market value.

Keywords

Exchange Rate Price Level Purchasing Power Parity Average Annual Rate Equilibrium Exchange Rate 
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Bibliography

  1. B. Balassa,‘The Purchasing Power Parity Doctrine: A Reappraisal’, Journal of Political Economy (Dec 1964).Google Scholar
  2. reprinted in R. N. Cooper, Readings in International Finance ( Harmondsworth: Penguin Books, 1969 ).Google Scholar
  3. Henry J. Gaillot, ‘Purchasing Power Parity as an Explanation of Long-Term Changes in Exchange Rates’, Journal of Money, Credit and Banking (Aug 1970).Google Scholar
  4. Richard J. Rogalski and Joseph D. Vinso, ‘Price Level Variations as Predictors of Flexible Exchange Rates’, Journal of International Business Studies (Spring—Summer 1977 ).Google Scholar

Copyright information

© Robert Z. Aliber 1978

Authors and Affiliations

  • Robert Z. Aliber

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