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The Purchasing Power Parity Theory And Ricardo'S Theory Of Value




In this paper the Purchasing Power Parity (PPP) theory and its criticisms are analysed. The majority of studies show that in most cases, the PPP indicator is not a good predictor for nominal exchange rate changes, nor a good indicator of relative competitiveness between countries. Instead, orthodox and non-orthodox economists use relative labour costs to represent real exchange rates. This has interesting implications for the currently accepted price determination theory. In turn, this also allows us to use a Ricardian model as developed by Pasinetti to calculate the ratio of real, vertically integrated unit labour costs between countries as a real exchange rate determination theory and as a sectoral relative competitiveness indicator as well. Copyright 2004, Oxford University Press.

Suggested Citation

  • Pablo Ruiz-Nápoles, 2004. "The Purchasing Power Parity Theory And Ricardo'S Theory Of Value," Contributions to Political Economy, Oxford University Press, vol. 23(1), pages 65-80, November.
  • Handle: RePEc:oup:copoec:v:23:y:2004:i:1:p:65-80

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