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Agricultural policies analysis : contribution of computable general equilibrium modeling
[L'analyse des politiques agricoles : l'apport de l'équilibre général calculable]

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  • Alexandre Gohin

    (ESR - Unité de recherche d'Économie et Sociologie Rurales - INRA - Institut National de la Recherche Agronomique, SFER - Société Française d'Economie Rurale, INRA - Institut National de la Recherche Agronomique)

  • Herve Guyomard

    (ESR - Unité de recherche d'Économie et Sociologie Rurales - INRA - Institut National de la Recherche Agronomique, SFER - Société Française d'Economie Rurale, INRA - Institut National de la Recherche Agronomique)

  • Chantal Le Mouël

    (ESR - Unité de recherche d'Économie et Sociologie Rurales - INRA - Institut National de la Recherche Agronomique, SFER - Société Française d'Economie Rurale, INRA - Institut National de la Recherche Agronomique)

Abstract

Cet article a pour principal objectif de montrer l'intérêt de la modélisation en équilibre général calculable (EGC) pour l'étude de problèmes agricoles. Les principes de la modélisation en EGC sont d'abord rappelés. En résumé, les modèles d'EGC diffèrent des modèles d'équilibre partiel multi-marchés essentiellement par leur caractère exhaustif et par la solidité des fondements microéconomiques sur lesquels ils reposent. L'importance de ces caractéristiques est ensuite illustrée à partir du modèle d'EGC centré sur l'agriculture américaine. Il apparaît alors que, si l'exhaustivité a un coût dans la mesure où la prise en compte de toutes les interdépendances d'une économie implique qu'il est très difficile de prévoir ex ante les résultats d'un scénario donné, le recours à la théorie économique sous-jacente et la cohérence globale de la modélisation en EGC permettent de s'assurer de la robustesse de l'analyse.

Suggested Citation

  • Alexandre Gohin & Herve Guyomard & Chantal Le Mouël, 1998. "Agricultural policies analysis : contribution of computable general equilibrium modeling [L'analyse des politiques agricoles : l'apport de l'équilibre général calculable]," Post-Print hal-02837721, HAL.
    • Handle: RePEc:hal:journl:hal-02837721
    Note: View the original document on HAL open archive server: https://hal.inrae.fr/hal-02837721
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    4. Kilkenny, Maureen, 1991. "Computable General Equilibrium Modeling of Agricultural Policies: Documentation of the 30-Sector FPGE GAMS Model of the United States," Staff Reports 278539, United States Department of Agriculture, Economic Research Service.
    5. Hertel, Thomas W., 1990. "General Equilibrium Analysis of U.S. Agriculture: What Does It Contribute?," Journal of Agricultural Economics Research, United States Department of Agriculture, Economic Research Service, vol. 42(3), pages 1-7.
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