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The Commodity Terms of Trade, Unit Roots, and Nonlinear Alternatives: A Smooth Transition Approach

  • Goodwin, Barry K.
  • Holt, Matthew T.
  • Prestemon, Jeffery P.

Market price dynamics for North American oriented strand board markets are examined. Specifically, the role of transactions costs are examined vis–`a–vis the law of one price. Weekly data for the January 3rd, 1995 through April 14th, 2006 period are used in the analysis. Nonlinearities induced by unobservable transactions costs are modeled by estimating smooth transition autoregressions (STARs). Results indicate that nonlinearity is an important feature of these markets and that the parity relationships implied by economic theory are generally supported by the STAR models. Implications for the efficiency of spatial market linkages are examined by estimating generalized impulse response functions.

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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 9684.

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Date of creation: 30 Apr 2008
Date of revision:
Handle: RePEc:pra:mprapa:9684
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  12. Goodwin, Barry K. & Grennes, Thomas J. & Craig, Lee A., 2002. "Mechanical Refrigeration and the Integration of Perishable Commodity Markets," Explorations in Economic History, Elsevier, vol. 39(2), pages 154-182, April.
  13. 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.
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  16. Lin, Chien-Fu Jeff & Terasvirta, Timo, 1994. "Testing the constancy of regression parameters against continuous structural change," Journal of Econometrics, Elsevier, vol. 62(2), pages 211-228, June.
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