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Copper Price Stabilization: Welfare Consequences And Buffer Stock Costs

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  • JOSÉ LUIS MARDONES
  • ISABEL MARSHALL
  • ENRIQUE SILVA

Abstract

International debate and economic literature on export earnings from trade in raw materials have focused on two main subjects: the ability to increase incomes arising from the exports and the possibility of stabilizing these incomes. One alternative that has been suggested and discussed with regard to the second issue is a buffer stock that would decrease the fluctuations in raw material prices. Two objections that have been made to this proposal are that, with stabilization, producers could lose their welfare benefits; and that financial costs are too great. In this article, market conditions required so that copper producers may be benefited by price stability are discussed, and the profitability of a copper buffer stock is measured. Depending on the characteristics of demand and supply curves in the copper market, the article concludes that producers may obtain welfare and income benefits from price stabilization and that for certain degrees of stability the management of the copper buffer stock can yield a positive internal rate of return close to that of alternative investments. Des discussions au niveau international et des ouvrages économiques en matière de recettes d'exportation provenant du commerce des matiêres premières ont mis l'accent sur deux sujets principaux: la capacité d'accroître les revenue de ces exportations et la possibilité de stabiliser ces revenue. Une option, suggérée et débattue au sujet du second point, consiste en l'établissement d'un stock régulateur qui tendrait à diminuer les fluctuations des prix des matiêres premières. Cependant, deux objections ont été soulevées, à savoir: la stabilisation pourrait avoir des repercussions néfastes sur les bénéfices des producteurs et les coûts financiers pourraient être trap élevés. L'article considère les conditions de marché requises pour permettre aux producteurs de cuivre de bénéficier de la stabilité des prix ainsi que la rentabilité d'un stock régulateur en matière de cuivre. En se basant sur les caractéristiques des courbes de l'offre et de la demande dans le marché du cuivre, l'article conclut que les producteurs peuvent bénéficier de la stabilisation des prix et que, à certains degrés de stabilité, la gestion d'un stock régulateur de cuivre peut engendrer un taux de rendement interne positif avoisinant ceux d'autres investissements. Los debates internacionales y la literature sobre los ingresos de exportatión de materias primas han enfocado dos temas principals: la habilidad de aumentar el ingreso resultante de estas exportaciones y la posibilidad de estabilizar dichos ingresos. La creación de una reserva de compensación para contrarrestar las fluctuaciones de los precios de materias primas ha sido propuesto y discutido. Las objeciones hechas a esta propuesta argumentan que los beneficios para los productores disminuiría con la estabilización y que los costos financieros serian demasiado grandes. En este artículo se discuten las condiciones de mercado que permitirían a los productores de cobre beneficiarse de la estabilidad de precios y se mide también la rentabilidad de la reserva de compensación para el cobre. Basándose en las características de las curvas de demanda y oferta en el mercado del cobre, el artículo concluye que los productores pueden salir gananciosos con la estabilización de precios y que para ciertos grados de estabilidad, la administración de la reserva de compensación del cobre puede producir una tasa interna de retorno positive, comparable a otras inversiones alternatives.

Suggested Citation

  • José Luis Mardones & Isabel Marshall & Enrique Silva, 1980. "Copper Price Stabilization: Welfare Consequences And Buffer Stock Costs," Natural Resources Forum, Blackwell Publishing, vol. 4(3), pages 291-305, July.
  • Handle: RePEc:wly:natres:v:4:y:1980:i:3:p:291-305
    DOI: 10.1111/j.1477-8947.1980.tb00988.x
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