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Spatial Price Adjustment with and without Trade

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  • Stephens, Emma C.
  • Mabaya, Edward T.
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    Abstract

    In this paper we introduce a switching error correction model (SECM) estimator that allows for the possibility that price transmission between markets might vary during periods with and without physical trade flows. Applying this new approach to semi-weekly data on tomato markets in Zimbabwe, we find that intermarket price adjustment occurs quickly and as much when there is no trade as when product flows from one market to another. This finding underscores the importance of information flow for market performance.

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    Bibliographic Info

    Paper provided by American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association) in its series 2008 Annual Meeting, July 27-29, 2008, Orlando, Florida with number 6538.

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    Date of creation: 2008
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    Handle: RePEc:ags:aaea08:6538

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    Keywords: Marketing; Research Methods/ Statistical Methods; Q13; R12; C32; P42;

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    1. Stefan Dercon & Bjorn Van Campenhout, 1999. "Dynamic Price Adjustment in Spatially Separated Food Markets with Transaction Costs," Center for Economic Studies - Discussion papers ces9909, Katholieke Universiteit Leuven, Centrum voor Economische Studiën.
    2. Paul L. Fackler & H�seyin Tastan, 2008. "Estimating the Degree of Market Integration," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 90(1), pages 69-85.
    3. Christopher B. Barrett, 1996. "Market Analysis Methods: Are Our Enriched Toolkits Well Suited to Enlivened Markets?," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 78(3), pages 825-829.
    4. Nathan S. Balke & Thomas B. Fomby, 1992. "Threshold cointegration," Research Paper 9209, Federal Reserve Bank of Dallas.
      • Balke, Nathan S & Fomby, Thomas B, 1997. "Threshold Cointegration," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 38(3), pages 627-45, August.
    5. Fackler, Paul L. & Goodwin, Barry K., 2001. "Spatial price analysis," Handbook of Agricultural Economics, in: B. L. Gardner & G. C. Rausser (ed.), Handbook of Agricultural Economics, edition 1, volume 1, chapter 17, pages 971-1024 Elsevier.
    6. Christopher B. Barrett & Jau Rong Li, 2002. "Distinguishing between Equilibrium and Integration in Spatial Price Analysis," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 84(2), pages 292-307.
    7. Bob Baulch, 1997. "Transfer Costs, Spatial Arbitrage, and Testing for Food Market Integration," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 79(2), pages 477-487.
    8. Barry K. Goodwin & Nicholas E. Piggott, 2001. "Spatial Market Integration in the Presence of Threshold Effects," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 83(2), pages 302-317.
    9. Asfaw Negassa & Robert J. Myers, 2007. "Estimating Policy Effects on Spatial Market Efficiency: An Extension to the Parity Bounds Model," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 89(2), pages 338-352.
    10. Andrews, Donald W K, 1993. "Tests for Parameter Instability and Structural Change with Unknown Change Point," Econometrica, Econometric Society, vol. 61(4), pages 821-56, July.
    11. Jesus Gonzalo & Jean-Yves Pitarakis, 2006. "Threshold effects in cointegrating relationships," Economics Working Papers we20060621, Universidad Carlos III, Departamento de Economía.
    12. Robert Jensen, 2007. "The Digital Provide: Information (Technology), Market Performance, and Welfare in the South Indian Fisheries Sector," The Quarterly Journal of Economics, MIT Press, vol. 122(3), pages 879-924, 08.
    13. Hansen, Bruce E. & Seo, Byeongseon, 2002. "Testing for two-regime threshold cointegration in vector error-correction models," Journal of Econometrics, Elsevier, vol. 110(2), pages 293-318, October.
    14. Deaton, Angus & Laroque, Guy, 1996. "Competitive Storage and Commodity Price Dynamics," Journal of Political Economy, University of Chicago Press, vol. 104(5), pages 896-923, October.
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    Cited by:
    1. Loening, Josef L. & Durevall, Dick & Ayalew Birru, Yohannes, 2009. "Inflation Dynamics and Food Prices in an Agricultural Economy: The Case of Ethiopia," Working Papers in Economics 347, University of Gothenburg, Department of Economics.
    2. Traub, Lulama Ndibongo & Myers, Robert J. & Jayne, Thomas S. & Meyer, Ferdinand H., 2010. "Measuring Integration and Efficiency in Maize Grain Markets: The Case of South Africa and Mozambique," 2010 AAAE Third Conference/AEASA 48th Conference, September 19-23, 2010, Cape Town, South Africa 96644, African Association of Agricultural Economists (AAAE);Agricultural Economics Association of South Africa (AEASA).
    3. Araujo-Enciso, Sergio Rene, 2009. "Evidence of non-linear price transmission between maize markets in Mexico and the US," 2009 Conference, August 16-22, 2009, Beijing, China 51366, International Association of Agricultural Economists.

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