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The spatial impact of genetically modified crops

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  • Munro, Alistair

Abstract

Although genetically modified (GM) organisms have attracted a great deal of public attention, analysis of their economic impacts has been less common. It is, perhaps, spatial externalities where the divergence between efficient and unregulated outcomes is potentially largest, because the presence of transgenic crops may eliminate or severely reduce the planting of organic varieties and other crops where some consumers have a preference for non-GM crops. This paper constructs a simple model of the possible spatial external effects of the introduction of transgenic varieties and considers some of the public policy options for regulating the divergence between market outcomes and the efficient allocation of resources to GM crops. It is shown that co-existence may be impossible without strong regulation on planting patterns.

Suggested Citation

  • Munro, Alistair, 2008. "The spatial impact of genetically modified crops," Ecological Economics, Elsevier, vol. 67(4), pages 658-666, November.
    • Handle: RePEc:eee:ecolec:v:67:y:2008:i:4:p:658-666
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    Cited by:

    1. Mattia C. Mancini & Kent Kovacs & Eric Wailes & Jennie Popp, 2016. "Addressing the Externalities from Genetically Modified Pollen Drift on a Heterogeneous Landscape," Land, MDPI, vol. 5(4), pages 1-18, October.
    2. Alexander E. Saak, 2004. "Equilibrium and Efficient Land-Use Arrangements under Spatial Externality on a Lattice," Food and Agricultural Policy Research Institute (FAPRI) Publications (archive only) 04-wp376, Center for Agricultural and Rural Development (CARD) at Iowa State University.
    3. Groeneveld, Rolf A. & Wesseler, Justus & Berentsen, Paul B.M., 2013. "Dominos in the dairy: An analysis of transgenic maize in Dutch dairy farming," Ecological Economics, Elsevier, vol. 86(C), pages 107-116.
    4. Marion Desquilbet & Sylvaine Poret, 2014. "How do GM/non GM coexistence regulations affect markets and welfare?," European Journal of Law and Economics, Springer, vol. 37(1), pages 51-82, February.
    5. GianCarlo Moschini, 2015. "In medio stat virtus: coexistence policies for GM and non-GM production in spatial equilibrium," European Review of Agricultural Economics, Oxford University Press and the European Agricultural and Applied Economics Publications Foundation, vol. 42(5), pages 851-874.
    6. Ambec, Stefan & Langinier, Corinne & Marcoul, Philippe, 2011. "Spatial Efficiency of Genetically Modified and Organic Crops," LERNA Working Papers 11.18.352, LERNA, University of Toulouse.
    7. Demont, Matty & Daems, W. & Dillen, Koen & Mathijs, Erik & Sausse, C. & Tollens, Eric, 2008. "Are EU spatial ex ante coexistence regulations proportional?," 2008 International Congress, August 26-29, 2008, Ghent, Belgium 44191, European Association of Agricultural Economists.
    8. Consmuller, Nicola & Beckmann, Volker & Petrick, Martin, 2012. "Identifying driving factors for the establishment of cooperative GMO-free zones in Germany," 2012 Conference, August 18-24, 2012, Foz do Iguacu, Brazil 126531, International Association of Agricultural Economists.
    9. Breustedt, Gunnar & Latacz-Lohmann, Uwe & Müller-Scheeßel, Jörg, 2013. "Impact of alternative information requirements on the coexistence of genetically modified (GM) and non-GM oilseed rape in the EU," Ecological Economics, Elsevier, vol. 93(C), pages 104-115.
    10. Rolf A. Groeneveld & Erik Ansink & Clemens C.M. Van de Wiel & Justus Wesseler, 2011. "Benefits and Costs of Biologically Contained Genetically Modified Tomatoes and Eggplants in Italy and Spain," Sustainability, MDPI, vol. 3(8), pages 1-17, August.
    11. Ceddia, Michele Graziano & Bartlett, Mark & Lucia, Caterina De & Perrings, Charles, 2011. "On the regulation of spatial externalities: coexistence between GM and conventional crops in the EU and the ‘newcomer principle’," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 55(1), pages 1-18.
    12. 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.
    13. Demont, Matty & Dillen, Koen & Daems, Wim & Sausse, Christophe & Tollens, Eric & Mathijs, Erik, 2009. "On the proportionality of EU spatial ex ante coexistence regulations," Food Policy, Elsevier, vol. 34(6), pages 508-518, December.
    14. Marion Desquilbet & Sylvaine Poret, 2015. "How do GM / non GM coexistence regulations affect markets and welfare?," Working Papers hal-00956039, HAL.
    15. E.-A. Nuppenau & T.S Amjath Babu, 2009. "Apples compared to Apples: Attitudes towards cisgenic and transgenic breeds," Journal of Socio-Economics in Agriculture (Until 2015: Yearbook of Socioeconomics in Agriculture), Swiss Society for Agricultural Economics and Rural Sociology, vol. 2(1), pages 113-142.
    16. Consmuller, Nicola & Beckmann, Volker & Petrick, Martin, 2011. "Towards GMO-free landscapes? Identifying driving factors for the establishment of cooperative GMO-free zones in Germany," 51st Annual Conference, Halle, Germany, September 28-30, 2011 114493, German Association of Agricultural Economists (GEWISOLA).

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