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Pipeline Access and Market Integration in the Natural Gas Industry: Evidence from Cointegration Tests

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  • Arthur De Vany
  • W. David Walls

Abstract

This research seeks to determine the extent to which the Federal Energy Regulatory Commission's policy of "Open Access" to natural gas pipelines has created competition in natural gas markets. We argue that recently developed cointegration techniques are the natural way to evaluate competition between natural gas spot markets at dispersed points in the national transmission network. We test daily spot prices between 190 market-pairs located in 20 producing fields and pipeline interconnections and find that the price series are not stationary and that most field markets were not cointegrated during 1982 By 1991, more than 65% of the markets had become cointegrated. The increased cointegration of prices is evidence that open access has made gas markets more competitive.

Suggested Citation

  • Arthur De Vany & W. David Walls, 1993. "Pipeline Access and Market Integration in the Natural Gas Industry: Evidence from Cointegration Tests," The Energy Journal, International Association for Energy Economics, vol. 0(Number 4), pages 1-20.
  • Handle: RePEc:aen:journl:1993v14-04-a01
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    1. Johansen, Soren & Juselius, Katarina, 1990. "Maximum Likelihood Estimation and Inference on Cointegration--With Applications to the Demand for Money," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 52(2), pages 169-210, May.
    2. Walls, W. David, 1993. "A Cointegration Rank Test of Market Linkages with an Application to the U.S. Natural Gas Industry," University of California Transportation Center, Working Papers qt6sj0961h, University of California Transportation Center.
    3. Campbell, John Y. & Shiller, Robert J., 1988. "Interpreting cointegrated models," Journal of Economic Dynamics and Control, Elsevier, vol. 12(2-3), pages 505-522.
    4. Engle, Robert F. & Yoo, Byung Sam, 1987. "Forecasting and testing in co-integrated systems," Journal of Econometrics, Elsevier, vol. 35(1), pages 143-159, May.
    5. Johansen, Soren, 1991. "Estimation and Hypothesis Testing of Cointegration Vectors in Gaussian Vector Autoregressive Models," Econometrica, Econometric Society, vol. 59(6), pages 1551-1580, November.
    6. Hendry, David F, 1986. "Econometric Modelling with Cointegrated Variables: An Overview," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 48(3), pages 201-212, August.
    7. Granger, Clive W J, 1986. "Developments in the Study of Cointegrated Economic Variables," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 48(3), pages 213-228, August.
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    JEL classification:

    • F0 - International Economics - - General

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