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In Medio Stat Virtus: Coexistence Policies for GM and non-GM Production in Spatial Equilibrium

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Abstract

This paper develops a spatial equilibrium model suitable to analyze the economic impacts of measures (such as isolation distances and buffer zones) meant to ensure coexistence between GM and non-GM crops. We show that policies that put the cost of such measures exclusively on GM producers lead to a competitive equilibrium that is biased against GM products (relative to the welfare maximizing allocation). Efficient allocation is restored if the cost of implementing coexistence measures is shared equally between adjacent GM and non-GM farms. Key Words: Biotechnology; externality; nonconvexity; regulation; technology adoption.

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  • GianCarlo Moschini, 2014. "In Medio Stat Virtus: Coexistence Policies for GM and non-GM Production in Spatial Equilibrium," Center for Agricultural and Rural Development (CARD) Publications 14-wp548, Center for Agricultural and Rural Development (CARD) at Iowa State University.
  • Handle: RePEc:ias:cpaper:14-wp548
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    References listed on IDEAS

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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. 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.
    3. GianCarlo Moschini & Harun Bulut & Luigi Cembalo, 2005. "On the Segregation of Genetically Modified, Conventional and Organic Products in European Agriculture: A Multi-market Equilibrium Analysis," Journal of Agricultural Economics, Wiley Blackwell, vol. 56(3), pages 347-372.
    4. Harvey E. Lapan & Giancarlo Moschini, 2004. "Innovation and Trade with Endogenous Market Failure: The Case of Genetically Modified Products," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 86(3), pages 634-648.
    5. Mussa, Michael & Rosen, Sherwin, 1978. "Monopoly and product quality," Journal of Economic Theory, Elsevier, vol. 18(2), pages 301-317, August.
    6. Beckmann, Volker & Wesseler, Justus, 2005. "Spatial Dimension Of Externalities And The Coase Theorem: Implications For Co-Existence Of Transgenic Crops," 2005 Annual meeting, July 24-27, Providence, RI 19534, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    7. Marion Desquilbet & David S. Bullock, 2003. "Who Pays the Costs of Non-GMO Segregation and Identity Preservation?," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 91(3), pages 656-672.
    8. Munro, Alistair, 2008. "The spatial impact of genetically modified crops," Ecological Economics, Elsevier, vol. 67(4), pages 658-666, November.
    9. GianCarlo Moschini, 2008. "Biotechnology and the development of food markets: retrospect and prospects," European Review of Agricultural Economics, Foundation for the European Review of Agricultural Economics, vol. 35(3), pages 331-355, September.
    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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