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Nonhomogeneous products and the law of one price

  • Thomas H. Spreen

    (Food and Resource Economics Department, University of Florida|, Institute of Food and Agricultural Science, Gainesville, Florida 32611-0240)

  • Richard L. Kilmer

    (Food and Resource Economics Department, University of Florida|, Institute of Food and Agricultural Sciences, Gainesville, Florida 32611-0240)

  • Carlos R. Pitta

    (Food and Resource Economics Department, University of Florida|, Institute of Food and Agricultural Sciences, Gainesville, Florida 32611-0240)

Law of One Price (LOP) is important in the theory of international trade. It is important in LOP studies to have data that accurately represents homogeneous products (i.e., the product in one country has the same product characteristics as the product in another country). We present a theoretical model that determines fresh grapefruit prices Free on Board (FOB) at the packinghouse. The first order conditions show that the FOB packinghouse prices are equal for products with the same product characteristics. The theoretical conditions show a difference in FOB prices when the product characteristics are different. The product characteristics that are varied include packing costs and pack-out rates. The results from a nonlinear programming optimization routine demonstrates the importance of using data that accurately represents homogeneous products for LOP studies. Different packing costs and pack-out percentages are shown to cause different FOB packinghouse prices for fresh grapefruit destined for domestic and export markets. [JEL Classification: Q11, Q13, F14]. © 2007 Wiley Periodicals, Inc. Agribusiness 23: 407-420, 2007.

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Article provided by John Wiley & Sons, Ltd. in its journal Agribusiness.

Volume (Year): 23 (2007)
Issue (Month): 3 ()
Pages: 407-420

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Handle: RePEc:wly:agribz:v:23:y:2007:i:3:p:407-420
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  1. Mark J. Gehlhar & Daniel H. Pick, 2001. "Food trade balances and unit values: What can they reveal about price competition?," Agribusiness, John Wiley & Sons, Ltd., vol. 18(1), pages 61-79.
  2. Brown, Mark G. & Lee, Jonq-Ying, 2002. "Restrictions On The Effects Of Preference Variables In The Rotterdam Model," Journal of Agricultural and Applied Economics, Southern Agricultural Economics Association, vol. 34(01), April.
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