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Modelling the future of cereal yields : from technical ineffficiency until price efficiency
[[Modélisation de l'évolution des rendements céréaliers : de l'inefficacité technique à l'efficacité prix]]

Author

Listed:
  • Isabelle Piot-Lepetit

    (ESR - Unité de recherche d'Économie et Sociologie Rurales - INRA - Institut National de la Recherche Agronomique)

  • Dominique Vermersch

    (ESR - Unité de recherche d'Économie et Sociologie Rurales - INRA - Institut National de la Recherche Agronomique)

Abstract

Cet article tente de justifier l'hypothèse selon laquelle le niveau d'efficacité micro-économique conditionne largement le degré d'efficience des politiques de régulation de marché. Dans cette optique, nous proposons une analyse de l'évolution des rendements céréaliers suite à la réforme de la PAC en tenant compte de différents niveaux d'efficacité économique. Dans une première partie, nous supposons que les agriculteurs ne sont pas tous sur les frontières de production. A l'aide d'une approche non paramétrique, nous mesurons leur efficacité technique que ce soit à facteur terre variable ou quasi-fixe. Une croissance des rendements céréaliers semble alors possible si tous les producteurs résorbent leur inefficacité technique. Dans une seconde partie, nous supposons que tous les producteurs sont "profit maximizers". A l'aide d'une approche paramétrique, nous constatons une baisse des rendements céréaliers atténuée par quelques effets amortisseurs.

Suggested Citation

  • Isabelle Piot-Lepetit & Dominique Vermersch, 1993. "Modelling the future of cereal yields : from technical ineffficiency until price efficiency [[Modélisation de l'évolution des rendements céréaliers : de l'inefficacité technique à l'efficacité prix," Post-Print hal-02851137, HAL.
    • Handle: RePEc:hal:journl:hal-02851137
    Note: View the original document on HAL open archive server: https://hal.inrae.fr/hal-02851137
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    References listed on IDEAS

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    Keywords

    Rendements céréaliers;

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