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The overvaluation of PPP in Europe?


  • Stuart Snaith
  • Jerry Coakley


This paper tests for long run PPP using a nonstationary panel regression framework that can accommodate both permanent and temporary shocks. It also uses the common correlated estimator of Pesaran (2003a) to take account of cross sectional dependence. The PPP null in our framework is a unit elasticity of nominal exchange rates with respect to relative prices. Using US dollar and German mark spot rates and the consumer price index for 15 European economies 1977:1-2001:12, we cannot reject the hypothesis that the long run relative price elasticity of exchange rates is unity. While this result supports long run PPP in our European sample, it has to be viewed with caution since some residual cross sectional dependence remains.

Suggested Citation

  • Stuart Snaith & Jerry Coakley, 2004. "The overvaluation of PPP in Europe?," Computing in Economics and Finance 2004 285, Society for Computational Economics.
  • Handle: RePEc:sce:scecf4:285

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    More about this item


    Real exchange rate; common correlated estimator; permanent shocks; cross sectional dependence;

    JEL classification:

    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • F31 - International Economics - - International Finance - - - Foreign Exchange


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