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Market Efficiency in the Non-Genetically Modified Soybean Futures Market

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  • Aruga Kentaka

Abstract

The world's first non-genetically modified (non-GM) soybean futures market opened in May 2000 but no studies have tested whether this market transmits price information efficiently. This study investigates the market efficiency of the non-GM and conventional soybean futures markets and their information flow between the futures and spot prices. The Johansen cointegration test is used for this purpose. The results suggest that both the non-GM and conventional soybean futures markets are efficient, but the non-GM soybean futures market is relatively inefficient compared to the conventional soybean futures market. In both soybean futures markets long-run information flow was found from the spot market to the futures market and existence of such causality supports that these futures markets function efficiently.

Suggested Citation

  • Aruga Kentaka, 2011. "Market Efficiency in the Non-Genetically Modified Soybean Futures Market," Journal of Agricultural & Food Industrial Organization, De Gruyter, vol. 9(1), pages 1-13, December.
    • Handle: RePEc:bpj:bjafio:v:9:y:2011:i:1:n:11
    DOI: 10.2202/1542-0485.1345
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    References listed on IDEAS

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    1. McCluskey, Jill J. & Grimsrud, Kristine M. & Ouchi, Hiromi & Wahl, Thomas I., 2003. "Consumer Response to Genetically Modified Food Products in Japan," Agricultural and Resource Economics Review, Cambridge University Press, vol. 32(2), pages 222-231, October.
    2. Johansen, Soren & Juselius, Katarina, 1990. "Maximum Likelihood Estimation and Inference on Cointegration--With Applications to the Demand for Money," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 52(2), pages 169-210, May.
    3. H. Holly Wang & Bingfan Ke, 2005. "Efficiency tests of agricultural commodity futures markets in China," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 49(2), pages 125-141, June.
    4. Aruga, Kentaka & Managi, Shunsuke, 2011. "Testing the international linkage in the platinum-group metal futures markets," Resources Policy, Elsevier, vol. 36(4), pages 339-345.
    5. Kentaka Aruga, 2011. "Are the Tokyo Grain Exchange non‐genetically modified organism (non‐GMO) and conventional soybean futures markets integrated?," Agricultural Finance Review, Emerald Group Publishing Limited, vol. 71(1), pages 84-97, May.
    6. Bopp, Anthony E. & Lady, George M., 1991. "A comparison of petroleum futures versus spot prices as predictors of prices in the future," Energy Economics, Elsevier, vol. 13(4), pages 274-282, October.
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    Cited by:

    1. Kentaka Aruga, 2014. "An intervention analysis on the Tokyo Grain Exchange non-genetically modified and conventional soybean futures markets," Cogent Economics & Finance, Taylor & Francis Journals, vol. 2(1), pages 1-11, December.
    2. Wang, Nanying & Houston, Jack, 2015. "An intervention analysis on the relationship between futures prices of non-GM and GM contract soybeans in China," 2015 Annual Meeting, January 31-February 3, 2015, Atlanta, Georgia 196842, Southern Agricultural Economics Association.

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