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Unter welchen Umständen würden deutsche Landwirte gentechnisch veränderten Raps anbauen? Ein Discrete-Choice-Experiment AgEcon
Breustedt, Gunnar; Muller-Scheessel, Jorg; Meyer-Schatz, Henrika Marie.
We examine the factors affecting the willingness of German farmers to adopt genetically modified (GM) oilseed rape after the pending commercial release of GM varieties. The analysis is based mainly on a web-based Discrete Choice Experiment with 217 oilseed rape growers in Germany. The determinants of adoption were estimated with the use of a multinomial probit model. Results indicate a significant impact of economic determinants on the adoption willingness: the difference in gross margins between GM and conventional rape, the probability and level of liability for damage caused by cross-pollination, and the length of the waiting period before a farmer can return to conventional rape are all highly significant. Among the farm characteristics, farm size...
Tipo: Journal Article Palavras-chave: Adoption; Discrete Choice Experiment; Genetically modified oilseed rape; Multinomial probit model; Online survey; Farm Management; Research and Development/Tech Change/Emerging Technologies.
Ano: 2007 URL: http://purl.umn.edu/96756
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Forecasting the Adoption of GM Oilseed Rape: Evidence from a Discrete Choice Experiment AgEcon
Breustedt, Gunnar; Muller-Scheessel, Jorg; Latacz-Lohmann, Uwe.
This paper explores farmers’ willingness to adopt genetically modified oilseed rape prior to its commercial release and estimates the ‘demand’ for the new technology. The analysis is based upon choice experiments with 202 German arable farmers. A multinomial probit estimation revealed that GM attributes such as gross margin, expected liability from cross pollination, or flexibility in returning to conventional oilseed rape significantly affect the likelihood of adoption. Neighbouring farmers’ attitudes towards GM cropping and a number of farmer and farm characteristics were also found to be significant determinants of prospective adoption. Demand simulations suggest that adoption rates are very sensitive to the profit difference between GM and non-GM rape...
Tipo: Conference Paper or Presentation Palavras-chave: Adoption forecast; Choice experiment; Genetically modified oilseed rape; Multinomial probit; Technology adoption; C42; C81; Q12; Q16.
Ano: 2008 URL: http://purl.umn.edu/36771
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