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Fractional Conintegration And The False Rejection Of The Law Of One Price In International Commodity Markets

  • Mohanty, Samarendu
  • Peterson, E. Wesley F.
  • Smith, Darnell B.
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    This study examines the Law of One Price (LOP) in international commodity markets using fractional cointegration analysis. For proper evaluation of the LOP, fractional cointegration analysis seems to be appropriate because of its flexibility in capturing a wider range of mean reversion behavior than standard cointegration analysis. Out of nine pairs of price series examined, fractional cointegration supports the existence of the LOP in eight cases, as compared to three cases using standard cointegration procedures. Overall, these results suggest that there is a long-run tendency for the LOP to hold for commodity prices.

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

    Volume (Year): 30 (1998)
    Issue (Month): 02 (December)

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    Handle: RePEc:ags:joaaec:15554
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    1. Colin A. Carter & Neil A. Hamilton, 1989. "Wheat inputs and the law of one price," Agribusiness, John Wiley & Sons, Ltd., vol. 5(5), pages 489-496.
    2. Francis X. Diebold & Glenn D. Rudebusch, 1988. "Long memory and persistence in aggregate output," Finance and Economics Discussion Series 7, Board of Governors of the Federal Reserve System (U.S.).
    3. Cheung, Yin-Wong & Lai, Kon S, 1993. "A Fractional Cointegration Analysis of Purchasing Power Parity," Journal of Business & Economic Statistics, American Statistical Association, vol. 11(1), pages 103-12, January.
    4. Sowell, Fallaw, 1990. "The Fractional Unit Root Distribution," Econometrica, Econometric Society, vol. 58(2), pages 495-505, March.
    5. Goodwin, Barry K., 1990. "Empirically Testing the Law of One Price in an International Commodity Market: A Rational Expectations Application to the Natural Rubber Market," Agricultural Economics of Agricultural Economists, International Association of Agricultural Economists, vol. 4(2), June.
    6. Cheung, Yin-Wong, 1993. "Long Memory in Foreign-Exchange Rates," Journal of Business & Economic Statistics, American Statistical Association, vol. 11(1), pages 93-101, January.
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