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Tendances et cyclicité du prix des matières premières (partie 1) : le débat sur l’hypothèse de Prebisch-Singer

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  • Yves Jégourel

Abstract

Traiter de la dynamique du prix des matières premières impose de caractériser trois phénomènes auxquels ils sont soumis : les tendances de (très) long terme, les cycles de moyen/long terme et la variabilité/volatilité à court terme (Jacks, 2013). Influençant fortement les économies des pays exportateurs, chacun d’entre eux appelle à la mise en œuvre de stratégies spécifiques, notamment en termes de politiques publiques. Ainsi, alors que la volatilité interroge sur la disponibilité des outils de couverture et sur les techniques financières permettant de les utiliser efficacement, la cyclicité des cours des produits de base appelle à la définition de politiques de stabilisation visant, notamment, à assurer la continuité de la politique budgétaire. La question des tendances de long-terme que suivent les matières premières considérées individuellement ou dans leur globalité est probablement plus fondamentale encore. Faisant en large partie référence à l’hypothèse de Prebisch-Singer formulée dans les années 1950, elle pose en effet la question de la pertinence d’une spécialisation sectorielle sur les matières premières et, consécutivement, des moyens éventuels à engager pour assurer la diversification économique des pays producteurs de matières premières. Actant de l’importance des travaux scientifiques portant sur cette hypothèse, ce policy brief rappelle dans un premier temps quels en sont les fondements théoriques et idéologiques avant d’évoquer succinctement les conclusions des principaux travaux empiriques qui s’y rattachent. Nous précisons dans un dernier temps les questions qu’ils soulèvent et proposons quelques pistes de recherche qui, nous l’espérons, permettraient de contribuer utilement au débat public relatif à la spécialisation des économies exportatrices de matières premières.

Suggested Citation

  • Yves Jégourel, 2017. "Tendances et cyclicité du prix des matières premières (partie 1) : le débat sur l’hypothèse de Prebisch-Singer," Policy notes & Policy briefs 1729, Policy Center for the New South.
  • Handle: RePEc:ocp:ppaper:pb-1732
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    File URL: http://www.policycenter.ma/sites/default/files/OCPPC-PB1732.pdf
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    References listed on IDEAS

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    1. Lucio, Nilson Rogerio & Lamas, Wendell de Queiroz & de Camargo, Jose Rubens, 2013. "Strategic energy management in the primary aluminium industry: Self-generation as a competitive factor," Energy Policy, Elsevier, vol. 59(C), pages 182-188.
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    4. Sapsford, David, 1985. "The Prebisch-Singer terms of trade hypothesis : Some new evidence," Economics Letters, Elsevier, vol. 18(2-3), pages 229-232.
    5. Stephan Pfaffenzeller & Paul Newbold & Anthony Rayner, 2007. "A Short Note on Updating the Grilli and Yang Commodity Price Index," The World Bank Economic Review, World Bank, vol. 21(1), pages 151-163.
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    7. John Baffes & Xiaoli L. Etienne, 2016. "Analysing food price trends in the context of Engel’s Law and the Prebisch-Singer hypothesis," Oxford Economic Papers, Oxford University Press, vol. 68(3), pages 688-713.
    8. Yamada, Hiroshi & Yoon, Gawon, 2014. "When Grilli and Yang meet Prebisch and Singer: Piecewise linear trends in primary commodity prices," Journal of International Money and Finance, Elsevier, vol. 42(C), pages 193-207.
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    Keywords

    matières premières; cyclicité; Prebisch-Singer; prix; volatilité;
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