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Modélisation du comportement des exploitants agricoles tenant compte du risque : application du MOTAD généralisé

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  • Abdel Madjid Bouzit
  • Thierry Rieu
  • Patrick Rio

Abstract

[eng] Farmers' behaviours modelling under risk : generalised motad application. One main limit of linear programming models is that all the parameters (prices, yields, input-output coefficients) are supposed known with certainty. There, this assumption is relaxed to take in account the risk attitude of the farmers. The risk is measured by the mean absolute deviation like in the MOTAD method. MOTAD approximation is generalised to problems where all parameters are stochastic. A new formulation is used to model the behaviour of polycultural farms with reference to milk production in the Forez region. [fre] L'une des limites des modèles linéaires appliqués à l'étude des décisions des agriculteurs est l'hypothèse que tous les paramètres définissant le modèle (prix, rendements, coefficients techniques, quantités de ressources) sont connus avec certitude. La prise en compte de leur caractère aléatoire nécessite de relaxer cette hypothèse. On étudie une généralisation du modèle MOTAD qui approche le risque par la déviation standard absolue, où tous les paramètres du modèle sont supposés aléatoires. Ce modèle est appliqué pour décrire le comportement d'un groupe d'exploitations de polyculture-élevage à orientation laitière, dans la Plaine du Forez.

Suggested Citation

  • Abdel Madjid Bouzit & Thierry Rieu & Patrick Rio, 1994. "Modélisation du comportement des exploitants agricoles tenant compte du risque : application du MOTAD généralisé," Économie rurale, Programme National Persée, vol. 220(1), pages 69-73.
  • Handle: RePEc:prs:recoru:ecoru_0013-0559_1994_num_220_1_4612
    DOI: 10.3406/ecoru.1994.4612
    Note: DOI:10.3406/ecoru.1994.4612
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