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An Analysis of the Pricing of Traits in the U.S. Corn Seed Market

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  • Shi, Guanming

    (University of Wisconsin)

  • Chavas, Jean-Paul

    (University of Wisconsin)

  • Steigert, Kyle

    (University of Wisconsin)

Abstract

This paper investigates the pricing of patented traits in the U.S. hybrid corn seed market under imperfect competition. In a multiproduct context, we first examine how substitution/complementarity relationships among products can affect pricing. This is used to motivate multi-product generalizations of the Herfindahl-Hirschman index (GHHI) capturing cross-market effects of imperfect competition on bundle pricing. The GHHI model is applied to pricing of conventional and patented biotech seeds in the US from 2000-2007. One major finding is that standard component pricing in biotech traits is soundly rejected in favor of subadditive bundle pricing. The econometric estimates show how changes in market structures (as measured by both own- and cross-Herfindahl indexes) affect U.S. corn seed prices.

Suggested Citation

  • Shi, Guanming & Chavas, Jean-Paul & Steigert, Kyle, 2009. "An Analysis of the Pricing of Traits in the U.S. Corn Seed Market," Staff Paper Series 544, University of Wisconsin, Agricultural and Applied Economics.
    • Handle: RePEc:ecl:wisagr:544
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    Cited by:

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    2. Ma, Xingliang & Shi, Guanming, 2010. "GM vs. Non-GM: A Survival Analysis of Hybrid Seed Corn in the US," Staff Paper Series 553, University of Wisconsin, Agricultural and Applied Economics.
    3. Fernandez-Cornejo, Jorge & Valle, Karen, 2014. "A Hedonic Model of Corn Seed Prices," 2014 Annual Meeting, July 27-29, 2014, Minneapolis, Minnesota 169667, Agricultural and Applied Economics Association.
    4. José G. Nuño‐Ledesma, 2022. "A portion cap rule with two products: An experimental evaluation," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 70(2), pages 123-137, June.
    5. Guanming Shi & Kyle W. Stiegert & Jean P. Chavas, 2011. "An analysis of bundle pricing in horizontal and vertical markets: The case of the U.S. cottonseed market," Agricultural Economics, International Association of Agricultural Economists, vol. 42, pages 77-88, November.
    6. Schimmelpfennig, David & Lowenberg-DeBoer, James, 2020. "Farm types and precision agriculture adoption: crops, regions, soil variability, and farm size," Land, Farm & Agribusiness Management Department 304070, Harper Adams University, Land, Farm & Agribusiness Management Department.
    7. Jennifer Clapp & Indra Noyes & Zachary Grant, 2021. "The Food Systems Summit’s Failure to Address Corporate Power," Development, Palgrave Macmillan;Society for International Deveopment, vol. 64(3), pages 192-198, December.
    8. Feng, Jie & Shi, Guanming, 2018. "To Encore or Not? When a Patent Expires: The U.S. Soybean Case," 2018 Annual Meeting, August 5-7, Washington, D.C. 274140, Agricultural and Applied Economics Association.
    9. Lemarié Stéphane & Baghdasaryan Delia & Campens Etienne, 2017. "The Product Line Strategy of a Company Selling Seed with a Licensed GM Trait," Journal of Agricultural & Food Industrial Organization, De Gruyter, vol. 15(1), pages 1-15, January.
    10. Ma, Xingliang & Shi, Guanming, 2013. "GM vs. Non-GM: A Survival Analysis of U.S. Hybrid Seed Corn," Agricultural and Resource Economics Review, Northeastern Agricultural and Resource Economics Association, vol. 42(3), pages 1-19, December.
    11. MacDonald, James M. & Dong, Xiao & Fuglie, Keith O., 2023. "Concentration and Competition in U.S. Agribusiness," Economic Information Bulletin 337566, United States Department of Agriculture, Economic Research Service.
    12. Alia, Didier Y. & Zheng, Yuqing & Kusunose, Yoko & Reed, Michael R., 2017. "Trade effects of food regulations and standards: Assessing the impact of SPS measures on market structure," 2017 Annual Meeting, July 30-August 1, Chicago, Illinois 258368, Agricultural and Applied Economics Association.
    13. Shakya, Sumadhur & Wilson, William W. & Dahl, Bruce L., 2012. "Valuing New Random GM Traits: The Case of Drought Tolerant Wheat," Agribusiness & Applied Economics Report 128033, North Dakota State University, Department of Agribusiness and Applied Economics.
    14. Ilin, Cornelia & Shi, Guanming, 2016. "Competition, Price Dispersion and Capacity Constraints: The Case of the U.S. Corn Seed Industry," 2016 Annual Meeting, July 31-August 2, Boston, Massachusetts 236532, Agricultural and Applied Economics Association.
    15. Shakya, Sumadhur & Wilson, William W. & Dahl, Bruce L., 2013. "Valuing New Random Genetically Modified (GM) Traits in Corn," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 38(1), pages 1-17, April.
    16. Jayson L. Lusk & Jesse Tack & Nathan P. Hendricks, 2018. "Heterogeneous Yield Impacts from Adoption of Genetically Engineered Corn and the Importance of Controlling for Weather," NBER Chapters, in: Agricultural Productivity and Producer Behavior, pages 11-39, National Bureau of Economic Research, Inc.
    17. Seungki Lee & Yongjie Ji & GianCarlo Moschini, 2021. "Agricultural Innovation and Adaptation to Climate Change: Insights from Genetically Engineered Maize," Center for Agricultural and Rural Development (CARD) Publications 21-wp616, Center for Agricultural and Rural Development (CARD) at Iowa State University.
    18. Ye, Ziwei & Krupke, Christian & DiFonzo, Christina & Hennessy, David A. & Wu, Felicia, 2022. "Aligning Bt Maize Planting with Pest Incidence and Efficacy Erosion Risk Suggests the Need for Paradigm Shifts," 2022 Annual Meeting, July 31-August 2, Anaheim, California 322082, Agricultural and Applied Economics Association.
    19. Fernandez-Cornejo, Jorge & Livingston, Michael J. & Mitchell, Lorraine & Wechsler, Seth, 2014. "Genetically Engineered Crops in the United States," Economic Research Report 164263, United States Department of Agriculture, Economic Research Service.
    20. Zhang, Wenhui & Shi, Guanming, 2012. "An Exploration of Product Choices in U.S. Biotech Corn Seed Market," 2012 Annual Meeting, August 12-14, 2012, Seattle, Washington 124758, Agricultural and Applied Economics Association.
    21. Nolan, Elizabeth & Santos, Paulo & Shi, Guanming, 2012. "Market concentration and productivity in the United States corn sector: 2002-2009," 2012 Annual Meeting, August 12-14, 2012, Seattle, Washington 125941, Agricultural and Applied Economics Association.

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    More about this item

    JEL classification:

    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L40 - Industrial Organization - - Antitrust Issues and Policies - - - General
    • L65 - Industrial Organization - - Industry Studies: Manufacturing - - - Chemicals; Rubber; Drugs; Biotechnology; Plastics

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