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Economics of spatial coexistence of genetically modified and conventional crops: Oilseed rape in Central France

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  • Demont, Matty
  • Daems, W.
  • Dillen, Koen
  • Mathijs, Erik
  • Sausse, C.
  • Tollens, Eric

Abstract

Europe is currently struggling to implement coherent coexistence regulations on genetically modified (GM) and non-GM crops in all EU Member States. We conduct simulations with the software ArcView® on a GIS dataset of a hypothetical case of GM herbicide tolerant oilseed rape cultivation in Central France. Our findings show that rigid coexistence rules, such as large distance requirements, may impose a severe burden on GM crop production in Europe. These rules are not proportional to the farmers’ basic incentives for coexistence and hence not consistent with the objectives of the European Commission. More alarming, we show that in densely planted areas a domino-effect may occur. This effect raises coexistence costs and even adds to the non-proportionality of rigid coexistence regulations. Instead, we show that flexible measures would be preferable since they are proportional to the incentives for coexistence and, hence, less counterproductive for European agriculture.

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Bibliographic Info

Paper provided by European Association of Agricultural Economists in its series 2008 International Congress, August 26-29, 2008, Ghent, Belgium with number 43650.

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Date of creation: 2008
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Handle: RePEc:ags:eaae08:43650

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Keywords: regulation; GIS modelling; domino-effect; Crop Production/Industries;

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  1. Bullock, D. S. & Desquilbet, M., 2002. "The economics of non-GMO segregation and identity preservation," Food Policy, Elsevier, vol. 27(1), pages 81-99, February.
  2. Belcher, Ken & Nolan, James & Phillips, Peter W.B., 2005. "Genetically modified crops and agricultural landscapes: spatial patterns of contamination," Ecological Economics, Elsevier, vol. 53(3), pages 387-401, May.
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Cited by:
  1. Jennifer Schweiger & Ali Ferjani & Achim Spiller, 2010. "Agentenbasierte Abschätzung der Wirtschaft-lichkeit von transgenen Kulturen anhand von Beispielbetrieben in einer Schweizer Ackerbau-region," Yearbook of Socioeconomics in Agriculture, Swiss Society for Agricultural Economics and Rural Sociology, vol. 3(1), pages 3-37.

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