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Genetic modification and yield risk: A stochastic dominance analysis of corn in the USA


Autoři: Elizabeth Nolan aff001;  Paulo Santos aff002
Působiště autorů: Affiliation School of Economics, The University of Sydney, Sydney, NSW, Australia aff001;  Affiliation Dept Economics, Monash University, Caulfield, Vic, Australia aff002
Vyšlo v časopise: PLoS ONE 14(10)
Kategorie: Research Article
doi: https://doi.org/10.1371/journal.pone.0222156

Souhrn

Production risk has been ignored in most of the analysis of GM technology, which has mostly focused on its effects on mean yield. We use stochastic dominance to quantify the effect of GM traits on the entire distribution of yields in corn in the USA under a wide range of growing conditions. Although no GM hybrid outperforms conventional hybrids under all growing conditions, we present evidence that most GM hybrids can be considered as improvements of the yield distribution.

Klíčová slova:

Agricultural soil science – Cereal crops – Edaphology – Maize – Probability distribution – Production functions – Clay mineralogy – Herbicides


Zdroje

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