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Impact of alternative information requirements on the coexistence of genetically modified (GM) and non-GM oilseed rape in the EU

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  • Breustedt, Gunnar
  • Latacz-Lohmann, Uwe
  • Müller-Scheeßel, Jörg
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    Abstract

    We use spatial simulation techniques to estimate both cross pollination damages and net producer benefit from genetically modified (GM) oilseed rape under alternative information requirements about individual farmers' cropping plans. Simulations were carried out for two study regions in Germany. The results suggest that, especially in landscapes with small plots, information requirements implemented in most EU Member States may result in inefficient coexistence to the extent that GM farmers lack important information to adjust their cropping plans to non-GM rape farmers' crop choices. We conclude that, in such fragmented landscapes, more comprehensive information requirements which oblige both GM and non-GM farmers to announce their cropping plans can: (1) substantially increase producer benefits, (2) reduce cross pollination damages and dispute and thus (3) contribute to the local diffusion of GM varieties.

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    Bibliographic Info

    Article provided by Elsevier in its journal Ecological Economics.

    Volume (Year): 93 (2013)
    Issue (Month): C ()
    Pages: 104-115

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    Handle: RePEc:eee:ecolec:v:93:y:2013:i:c:p:104-115

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    Web page: http://www.elsevier.com/locate/ecolecon

    Related research

    Keywords: Coexistence; Genetic modification; Herbicide-tolerant oilseed rape; Public register; Liability; Spatial simulation;

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    1. Demont, Matty & Daems, Wim & Dillen, Koen & Mathijs, Erik & Sausse, Christophe & Tollens, Eric, 2008. "Regulating coexistence in Europe: Beware of the domino-effect!," Ecological Economics, Elsevier, vol. 64(4), pages 683-689, February.
    2. Duffy, John, 2006. "Agent-Based Models and Human Subject Experiments," Handbook of Computational Economics, in: Leigh Tesfatsion & Kenneth L. Judd (ed.), Handbook of Computational Economics, edition 1, volume 2, chapter 19, pages 949-1011 Elsevier.
    3. Gray, Emily & Ancev, Tihomir & Drynan, Ross, 2011. "Coexistence of GM and non-GM crops with endogenously determined separation," Ecological Economics, Elsevier, vol. 70(12), pages 2486-2493.
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    6. 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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    10. Volker Beckmann & Claudio Soregaroli & Justus Wesseler, 2006. "Coexistence Rules and Regulations in the European Union," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 88(5), pages 1193-1199.
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