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La parité des pouvoirs d'achat pour l'économie chinoise : une nouvelle analyse par les tests de racine unitaire


  • Olivier Darné
  • Jean-François Hoarau


In this paper we re-examine whether purchasing power parity holds in the long run in China from a two-steps procedure correcting outliers and testing unit roots. Thus, the efficient unit root tests developed by Elliott, Rothenberg and Stock (1996) and Ng and Perron (2001) are applied on the Renminbi bilateral (to the US dollar) real exchange rate, corrected from outliers, over the period 1970 to 2006 (in monthly frequency). We underlined the effects of large, but infrequent shocks due to changes of Chinese exchange policy undertaken since the China’s foreign exchange reform on the real exchange rate, in particular several devaluations between 1984-1994. We also show that there is no tendency to the purchasing power parity in China to hold in the long run during this period. JEL classification: C22, F31.

Suggested Citation

  • Olivier Darné & Jean-François Hoarau, 2008. "La parité des pouvoirs d'achat pour l'économie chinoise : une nouvelle analyse par les tests de racine unitaire," Recherches économiques de Louvain, De Boeck Université, vol. 74(2), pages 219-236.
  • Handle: RePEc:cai:reldbu:rel_742_0219

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    References listed on IDEAS

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    Cited by:

    1. Hoarau, Jean-François, 2013. "Un modèle NATREX synthétique pour une petite économie « développée » ouverte contrainte sur les marchés internationaux de capitaux," L'Actualité Economique, Société Canadienne de Science Economique, vol. 89(4), pages 259-303, Décembre.

    More about this item


    purchasing power parity; real exchange rate; Renminbi; unit root tests; outliers;

    JEL classification:

    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • F31 - International Economics - - International Finance - - - Foreign Exchange


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