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Market integration and convergence to the law of one price in the North American onion markets

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  • Dwi Susanto

    (Center for North American Studies (CNAS), Department of Agricultural Economics, Texas A&M University, College Station, TX 77843-2124)

  • C. Parr Rosson

    (Center for North American Studies (CNAS), Department of Agricultural Economics, Texas A&M University, College Station, TX 77843-2124)

  • Flynn J Adcock

    (Center for North American Studies (CNAS), Department of Agricultural Economics, Texas A&M University, College Station, TX 77843-2124)

Abstract

The North American agricultural markets have become much more integrated; but the level of integration varies across sectors and over time. Differential tariff phasing-out periods and remaining trade disputes are two of many factors contributing to this. This article applies panel data unit root tests to study price convergence and market integration in the North American onion markets. Commodity and variety monthly base price data for the period of 1998 to 2006 are used. Empirical results decisively suggest the existence of price convergence across markets as well as onion varieties. A two-sample period analysis shows an increase in the speed of price convergence over time, suggesting deeper market integration as NAFTA was fully implemented. Further analysis based on a two-country-market basis found that U.S.-Canadian markets have experienced deeper market integration compared with U.S.-Mexican markets as well as Canadian-Mexican markets. [EconLit citations: F150, Q170]. © 2008 Wiley Periodicals, Inc.

Suggested Citation

  • Dwi Susanto & C. Parr Rosson & Flynn J Adcock, 2008. "Market integration and convergence to the law of one price in the North American onion markets," Agribusiness, John Wiley & Sons, Ltd., vol. 24(2), pages 177-191.
  • Handle: RePEc:wly:agribz:v:24:y:2008:i:2:p:177-191 DOI: 10.1002/agr.20160
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    References listed on IDEAS

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    1. Doan, Darcie & Goldstein, Andrew & Zahniser, Steven & Vollrath, Thomas L. & Bolling, H. Christine, 2004. "North American Integration In Agriculture: A Survey Paper," North American Agrifood Integration: Situation and Perspectives, May 2004, Cancun, Mexico 16730, Farm Foundation.
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    3. Stephen G. Cecchetti & Nelson C. Mark & Robert J. Sonora, 2002. "Price Index Convergence Among United States Cities," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 43(4), pages 1081-1099, November.
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    9. David C. Parsley & Shang-Jin Wei, 1996. "Convergence to the Law of One Price Without Trade Barriers or Currency Fluctuations," The Quarterly Journal of Economics, Oxford University Press, vol. 111(4), pages 1211-1236.
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    Cited by:

    1. Yuanlong Ge & Holly H. Wang & Sung K. Ahn, 2010. "Cotton market integration and the impact of China's new exchange rate regime," Agricultural Economics, International Association of Agricultural Economists, vol. 41(5), pages 443-451, September.

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