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Les effets de la réforme de la Pac sur les exploitations de grande culture [Changements techniques et renforcement des spécialisations régionales ]

Author

Listed:
  • Jean-Marc Boussard
  • Jean-Philippe Boussemart
  • Guillermo Flichman
  • Florence Jacquet
  • Henri-Bertrand Lefer

Abstract

[fre] Une« fonction de production d'ingénieur », qui fait appel à la fois à un simulateur de croissance de plantes et à de la programmation linéaire sous contrainte de risque, est utilisée pour analyser les conséquences de la réforme « Me Sharry » sur les revenus et sur l'environnement, dans une grande variété de types d'exploitations de « grandes cultures » (dont certaines avec élevage), à travers toute la France. Le modèle est dynamique et récursif au sens de Day. Malgré la grande diversité des situations, la réforme, dans l'ensemble, semble devoir atteindre les objectifs qui étaient les siens, avec une tendance à l'extensification et au rééquilibrage entre les régions. Cependant, l'incertitude majeure, susceptible de remettre en cause ces résultats, reste la perception des risques encourus par les agriculteurs. [eng] The effects of the cap reform on french crop-livestock farms. Technical changes and regional specialisation . With the help of a plant growth simulator and of a risk constrained linear programming farm model, an « engineer production function » is designed to represent the consequences of the Me Sharry reform upon farm incomes and environmental issues. The model, dynamic and recursive according to Day's definition, is applied to many situations representative of the main French grain producing regions, including those raising cattle. Despite the vast variety of situations, overall, the reform seems to meet its objectives of extensification, and income equalisation. Yet, changes in the farmers'perception of risks could modify this conclusion.

Suggested Citation

  • Jean-Marc Boussard & Jean-Philippe Boussemart & Guillermo Flichman & Florence Jacquet & Henri-Bertrand Lefer, 1997. "Les effets de la réforme de la Pac sur les exploitations de grande culture [Changements techniques et renforcement des spécialisations régionales ]," Économie rurale, Programme National Persée, vol. 239(1), pages 20-29.
  • Handle: RePEc:prs:recoru:ecoru_0013-0559_1997_num_239_1_4865
    Note: DOI:10.3406/ecoru.1997.4865
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    Citations

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    Cited by:

    1. Stéphane Blancard & Jean-Philippe Boussemart & Walter Briec & Kristiaan Kerstens, 2007. "Technology Adoption in French Agriculture and the Role of Financial Constraints," INRA UMR CESAER Working Papers 2007/1, INRA UMR CESAER, Centre d'’Economie et Sociologie appliquées à l'’Agriculture et aux Espaces Ruraux.
    2. Aude Ridier, 2004. "Les effets du découplage des aides directes sur des exploitations de viande bovine en présence de risque," Économie rurale, Programme National Persée, vol. 279(1), pages 7-19.
    3. Stéphane Blancard & Jean-Philippe Boussemart, 2006. "Productivité agricole et rattrapage technologique : le cas des exploitations de grandes cultures du Nord-Pas-de-Calais," Cahiers d'Economie et Sociologie Rurales, INRA Department of Economics, vol. 80, pages 5-28.

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