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Structure et dynamique de l'offre de matières premières : propositions méthodologiques illustrées par le cas de la pâte à papier

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  • A. Peguret

Abstract

[eng] Structure and dynamic of the supply of raw materials : methodological proposals and illustration with the market pulp - For most of the raw materials markets, the suppliers are few and thus, their strategies do indeed influence prices. An analysis of these strategies, their targets and constraints, is then a prerequisite to any attempt at market evolution and forcasting. We have formalize the analyses currently undertaken by experts, precising the notion of structure. . The structure is defined, for a given future period, as the « space of freedom » from which each relevant category of producer benefits, represented on a two-dimension production/cost graph. Scenarii of behavior can then be sketched out in this structure. The proposals are illustrated with the market pulp. It allow to conclue that a shortage and a great increase in prices is unlikely to come by 1990. . Such a formalization improves the analysis by guiding the search of informations ; it is also a tool to think the strategies of the actors and the dynamic of market and production. [fre] Une caractéristique commune à la plupart des marchés de matières premières est que les acteurs de l'offre sont peu nombreux et que leur comportement n'est donc pas sans influence sur les prix. L'analyse du comportement, des objectifs et des contraintes de ces acteurs est un préalable à toute tentative de prévision de l'évolution des marchés. Nous avons cherché à systématiser les analyses des spécialistes de ces marchés en nous attachant à préciser la notion de structure. La structure de l'offre est définie, à un horizon temporel donné, comme l'ensemble des espaces de libertés dont disposent les regroupements pertinents d'acteurs (État et firmes) sur un graphe production/coûts. Des scénarios de comportements peuvent alors être envisagés dans le cadre de cette structure. . La méthode est illustrée par le cas du marché de la pâte à papier. Elle permet de conclure que la pénurie et la forte hausse du prix de la pâte souvent annoncées sont très peu probables. . Cette formalisation permet d'améliorer les analyses de l'offre en orientant et précisant la collecte des informations nécessaires; c'est aussi un outil de réflexion sur les stratégies des acteurs et la dynamique d'ensemble des filières.

Suggested Citation

  • A. Peguret, 1986. "Structure et dynamique de l'offre de matières premières : propositions méthodologiques illustrées par le cas de la pâte à papier," Économie rurale, Programme National Persée, vol. 174(1), pages 52-58.
  • Handle: RePEc:prs:recoru:ecoru_0013-0559_1986_num_174_1_3769
    DOI: 10.3406/ecoru.1986.3769
    Note: DOI:10.3406/ecoru.1986.3769
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