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Spatial Price Adjustment with and without Trade

Author

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

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.

Suggested Citation

  • Stephens, Emma C. & Mabaya, Edward T., 2008. "Spatial Price Adjustment with and without Trade," 2008 Annual Meeting, July 27-29, 2008, Orlando, Florida 6538, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
  • Handle: RePEc:ags:aaea08:6538
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    File URL: http://purl.umn.edu/6538
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    References listed on IDEAS

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    Cited by:

    1. 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.
    2. Loening, Josef L. & Durevall, Dick & Birru, Yohannes A., 2009. "Inflation dynamics and food prices in an agricultural economy : the case of Ethiopia," Policy Research Working Paper Series 4969, The World Bank.
    3. 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).

    More about this item

    Keywords

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

    JEL classification:

    • Q13 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agricultural Markets and Marketing; Cooperatives; Agribusiness
    • R12 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - Size and Spatial Distributions of Regional Economic Activity; Interregional Trade (economic geography)
    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • P42 - Economic Systems - - Other Economic Systems - - - Productive Enterprises; Factor and Product Markets; Prices

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