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Who pays the costs of non-GMO segregation and identity preservation?

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  • Desquilbet, Marion
  • Bullock, David S.

Abstract

This paper proposes an analytical framework to examine the market and welfare impacts of GMOs, when some consumers refuse genetically modified organisms (GMOs) and when two supply channels are segregated (one for goods that containing GMOs and one for non-genetically-modified identity-preserved goods). Our analytical framework begins at the level of individual farmers, handlers and consumers, to build up market supply and demand functions. This allows us to circumvent the difficulties of conducting supply and demand analysis in the different horizontally and vertically related markets concerned by GMOs and market segregation. We represent explicitly the costs of non-GMO segregation and identity preservation (IP) for both producers of non-GM IP goods and producers of non-IP goods, and how these costs vary depending on the relative sizes of the two production channels. We then illustrate our model by a simulation of potential adoption of GM rapeseed with non-GMO market segregation in the European Union (EU). We analyze how the costs of IP are distributed among heterogenous producers, handlers and consumers in this simulation.

Suggested Citation

  • Desquilbet, Marion & Bullock, David S., 2002. "Who pays the costs of non-GMO segregation and identity preservation?," 2002 International Congress, August 28-31, 2002, Zaragoza, Spain 24973, European Association of Agricultural Economists.
  • Handle: RePEc:ags:eaae02:24973
    DOI: 10.22004/ag.econ.24973
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    References listed on IDEAS

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    1. Mayer, Holly & Furtan, W. H., 1999. "Economics of transgenic herbicide-tolerant canola: The case of western Canada," Food Policy, Elsevier, vol. 24(4), pages 431-442, August.
    2. Giannakas, Konstantinos & Fulton, Murray, 2002. "Consumption effects of genetic modification: what if consumers are right?," Agricultural Economics, Blackwell, vol. 27(2), pages 97-109, August.
    3. 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.
    4. Desquilbet, Marion & Lemarie, Stephane & Levert, Fabrice, 2002. "Potential Adoption of Genetically Modified Rapeseed in France, Effects on Revenues of Farmers and Upstream Companies: an ex ante evaluation," 2002 International Congress, August 28-31, 2002, Zaragoza, Spain 24975, European Association of Agricultural Economists.
    5. David S. Bullock & Marion Desquilbet & Elisavet Nitsi, 2001. "The economics of non-GMO segregation," Post-Print hal-02392210, HAL.
    6. William D. McBride & Nora Books, 2000. "Survey evidence on producer use and costs of genetically modified seed," Agribusiness, John Wiley & Sons, Ltd., vol. 16(1), pages 6-20.
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    Citations

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    Cited by:

    1. 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, December.
    2. Andrei Sobolevsky & GianCarlo Moschini & Harvey E. Lapan, 2002. "Genetically Modified Crop Innovations and Product Differentiation: Trade and Welfare Effects in the Soybean Complex," Center for Agricultural and Rural Development (CARD) Publications 02-wp319, Center for Agricultural and Rural Development (CARD) at Iowa State University.
    3. Baker, Andrew & Smyth, Stuart, 2010. "Managing Opportunism in Value-Added Supply Chains:," 14th ICABR Conference, June 16-18, 2010, Ravello, Italy 187979, International Consortium on Applied Bioeconomy Research (ICABR).
    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. Olivier Bonroy & Christos Constantatos, 2015. "On the Economics of Labels: How Their Introduction Affects the Functioning of Markets and the Welfare of All Participants," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 97(1), pages 239-259.
    6. Skevas, Theodoros & Fevereiro, Pedro & Wesseler, Justus, 2010. "Coexistence regulations and agriculture production: A case study of five Bt maize producers in Portugal," Ecological Economics, Elsevier, vol. 69(12), pages 2402-2408, October.
    7. Thomas Venus & Nicholas Kalaitzandonakes & Justus Wesseler, 2012. "Ist das Angebot von Nahrungsmitteln "Ohne Gentechnik" wirtschaftlich nachhaltig?," Vierteljahrshefte zur Wirtschaftsforschung / Quarterly Journal of Economic Research, DIW Berlin, German Institute for Economic Research, vol. 81(4), pages 93-110.
    8. Nielsen, Chantal Pohl & Robinson, Sherman & Thierfelder, Karen, 2002. "Trade in genetically modified food: A survey of empirical studies," TMD discussion papers 106, International Food Policy Research Institute (IFPRI).
    9. Arthur P. J. Mol & Peter Oosterveer, 2015. "Certification of Markets, Markets of Certificates: Tracing Sustainability in Global Agro-Food Value Chains," Sustainability, MDPI, vol. 7(9), pages 1-21, September.
    10. Mario F. Teisl & Julie A. Caswell, 2003. "Information Policy and Genetically Modified Food: Weighting the Benefits and Costs," QA - Rivista dell'Associazione Rossi-Doria, Associazione Rossi Doria, issue 4, March.
    11. 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.
    12. Bullock, David S. & D'Arcangelo, Filippo Maria & Desquilbet, Marion, 2018. "A discussion of the market and policy failures associated with the adoption of herbicide-tolerant crops," TSE Working Papers 18-959, Toulouse School of Economics (TSE), revised Aug 2019.

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