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Are Commodity Prices Leading Indicators of OECD Prices?

  • Martine Durand
  • Sveinbjörn Blöndal
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    This paper examines the hypothesis that commodity price trends are useful indicators of OECD price developments. After a discussion of statistical techniques to assess the time series properties of individual price indices, integration and cointegration tests are conducted on a wide set of individual and aggregate commodity price indices and consumer price indices for the major seven OECD countries. The results of the analysis suggest that there is no clear evidence of any equilibrium relationship between levels of consumer and commodity prices. But relations between changes in a number of commodity prices such as metals and agricultural raw material prices and consumer prices may be established. The stability over time of such relationships is also tested ... Cet article tente de déterminer si les prix des produits de base peuvent jouer un rôle d'indicateurs avancés pour les évolutions de prix dans les grands pays de l'OCDE. Après discussion des techniques statistiques permettant d'établir les propriétés temporelles des series de prix utilisées, les tests d'intégration et de cointégration sont appliqués à un nombre important d'indices de prix élémentaires et agrégés de produits de base et d'indices de prix à la consommation. Les résultats de cette analyse indiquent qu'il n'existe pas de relation en niveau entre indices de prix à la consommation et prix de produits de base. Par contre, les variations dans les prix de certains produits comme ceux des métaux et des produits agricoles bruts peuvent être retenus comme indicateurs avancés du taux d'inflation dans les pays de l'OCDE. La stabilité temporelle de telles relations est également testée ...

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    Paper provided by OECD Publishing in its series OECD Economics Department Working Papers with number 49.

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    Date of creation: Feb 1988
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    Handle: RePEc:oec:ecoaaa:49-en
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