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Multiple-Regime Spatial Price Transmission with an Application to Maize Markets in Southern Africa

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  • Robert J. Myers
  • T.S. Jayne

Abstract

Conventional threshold models of price transmission allow for different speeds of adjustment to equilibria depending on the magnitude of price differentials between markets. However, these models typically assume only one underlying long-run equilibrium price relationship. In this article we develop a framework for allowing multiple equilibria and multiple speeds of adjustment with regime separation depending on the magnitude of trade flows between regions, rather than the magnitude of price differentials. Applying this framework to maize price transmission between South Africa and Zambia shows no transmission during periods of high imports, when the government was heavily involved in maize importation, but stronger transmission during periods of low imports when the government was not importing. Copyright 2012, Oxford University Press.

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File URL: http://hdl.handle.net/10.1093/ajae/aar123
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Bibliographic Info

Article provided by Agricultural and Applied Economics Association in its journal American Journal of Agricultural Economics.

Volume (Year): 94 (2012)
Issue (Month): 1 ()
Pages: 174-188

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Handle: RePEc:oup:ajagec:v:94:y:2012:i:1:p:174-188

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Cited by:
  1. Ricker-Gilbert, Jacob & Mason, Nicole M. & Darko, Francis & Jayne, Thomas S. & Tembo, Solomon, 2013. "What are the Effects of Input Subsidies on Maize Prices? Evidence from Malawi and Zambia," Food Security Collaborative Working Papers 154938, Michigan State University, Department of Agricultural, Food, and Resource Economics.
  2. Gotz, Linde & Qiu, Feng & Gervais, Jean-Philippe & Glauben, Thomas, 2012. "Export Restrictions And Multiple Spatial Price Equilibria When International Prices Spike: Export Quotas For Wheat In Ukraine," 2012: New Rules of Trade?, December 2012, San Diego, California 143179, International Agricultural Trade Research Consortium.
  3. Sitko, Nicholas J. & Jayne, T.S., 2014. "Exploitative Briefcase Businessmen, Parasites, and Other Myths and Legends: Assembly Traders and the Performance of Maize Markets in Eastern and Southern Africa," World Development, Elsevier, vol. 54(C), pages 56-67.
  4. Ricker-Gilbert, Jacob & Mason, Nicole & Jayne, Thomas & Darko, Francis Addeah & Tembo, Solomon, 2013. "What are the effects of input subsidy programs on equilibrium maize prices? Evidence from Malawi and Zambia," 2013 Annual Meeting, August 4-6, 2013, Washington, D.C. 149259, Agricultural and Applied Economics Association.
  5. Götz, Linde & Qiu, Feng & Gervais, Jean-Philippe & Glauben, Thomas, 2013. "Export Restrictions and Multiple Spatial Price Equilibria: Export Quotas for Wheat in Ukraine," 53rd Annual Conference, Berlin, Germany, September 25-27, 2013 156135, German Association of Agricultural Economists (GEWISOLA).

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