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Impact of Genetically Engineered Varieties on the Cost Structure of Corn and Soybean Production in Canada

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  • Bishnu Saha
  • Rakhal Sarker
  • Verna Mitura

Abstract

type="main" xml:lang="fr"> Dans la présente étude, nous avons examiné les répercussions des variétés génétiquement modifiées sur la structure des coûts de la production du maïs et du soja au Canada. À l'aide de l'indice d'adoption de chaque exploitation agricole et d'une tendance temporelle comprenant des données sur les coûts de production d'exploitations agricoles productrices de maïs grain et de soja au cours de la période de 2000 à 2007, nous avons estimé une fonction de coût de type Translog et les parts des intrants. L'utilisation de l'indice d'adoption améliore les estimations du changement technologique et de la croissance de la productivité multifactorielle. Les résultats de notre étude ont montré que l'adoption du maïs et du soja génétiquement modifiés diminuaient les coûts variables de la production de l'ordre de 0,62 % par année. La croissance de la productivité multifactorielle du maïs et du soja a augmenté de 2 % par année au cours de la période d’étude, et 31 % de cette croissance était attribuable à l'utilisation de variétés génétiquement modifiées. Les résultats ont également montré que l'adoption de variétés de maïs et de soja génétiquement modifiées a permis de diminuer la part des coûts des engrais, des herbicides et des pesticides, et de la machinerie. Bien que l'adoption de variétés génétiquement modifiées ait fait croître la part des coûts des semences et du travail à forfait y compris la main-d’œuvre, seul l'effet sur la part des coûts des semences était statistiquement significatif.

Suggested Citation

  • Bishnu Saha & Rakhal Sarker & Verna Mitura, 2014. "Impact of Genetically Engineered Varieties on the Cost Structure of Corn and Soybean Production in Canada," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 62(2), pages 263-282, June.
    • Handle: RePEc:bla:canjag:v:62:y:2014:i:2:p:263-282
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    1. Claudia V. Montanía & Teresa Fernández-Núñez & Miguel A. Márquez, 2021. "The role of the leading exporters in the global soybean trade," Agricultural Economics, Czech Academy of Agricultural Sciences, vol. 67(7), pages 277-285.

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