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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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  • Abdelhak Bassou

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

  • Abdelhak Bassou, 2017. "Tendances et cyclicité du prix des matières premières (partie 1) : le débat sur l’hypothèse de Prebisch-Singer," Policy briefs on Commodities & Energy 1713, Policy Center for the New South.
  • Handle: RePEc:ocp:pbcoen:pb1732
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    References listed on IDEAS

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    2. Arezki, Rabah & Hadri, Kaddour & Loungani, Prakash & Rao, Yao, 2014. "Testing the Prebisch–Singer hypothesis since 1650: Evidence from panel techniques that allow for multiple breaks," Journal of International Money and Finance, Elsevier, vol. 42(C), pages 208-223.
    3. Sapsford, David, 1985. "The Prebisch-Singer terms of trade hypothesis : Some new evidence," Economics Letters, Elsevier, vol. 18(2-3), pages 229-232.
    4. David S. Jacks, 2019. "From boom to bust: a typology of real commodity prices in the long run," Cliometrica, Springer;Cliometric Society (Association Francaise de Cliométrie), vol. 13(2), pages 201-220, May.
    5. 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.
    6. 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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