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Measuring Economies of Vertical Integration in Network

  • Arnaud Reynaud
  • Serge Garcia
  • Michel Moreaux

This paper provides a framework that aims at distinguishing the technological economies of vertical integration from the vertical economies resulting from market imperfections. To illustrate our analyze, we use consistent panel data econometric methods to estimate cost functions on a sample of North-American water utilities. Contrary to what has been found for other network industries (electricity and gas for instance), we show that the economies of vertical integration are only significant for the smallest utilities

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Paper provided by Econometric Society in its series Econometric Society 2004 North American Summer Meetings with number 184.

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Date of creation: 11 Aug 2004
Date of revision:
Handle: RePEc:ecm:nasm04:184
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  1. Grossman, Sanford J. & Hart, Oliver D., 1986. "The Costs and Benefits of Ownership: A Theory of Vertical and Lateral Integration," Scholarly Articles 3450060, Harvard University Department of Economics.
  2. Hausman, Jerry A. & Taylor, William E., 1981. "Panel data and unobservable individual effects," Journal of Econometrics, Elsevier, vol. 16(1), pages 155-155, May.
  3. Christensen, Laurits R & Jorgenson, Dale W & Lau, Lawrence J, 1973. "Transcendental Logarithmic Production Frontiers," The Review of Economics and Statistics, MIT Press, vol. 55(1), pages 28-45, February.
  4. Breusch, Trevor S & Mizon, Grayham E & Schmidt, Peter, 1989. "Efficient Estimation Using Panel Data," Econometrica, Econometric Society, vol. 57(3), pages 695-700, May.
  5. Nemoto, Jiro & Goto, Mika, 2004. "Technological externalities and economies of vertical integration in the electric utility industry," International Journal of Industrial Organization, Elsevier, vol. 22(1), pages 67-81, January.
  6. Kwoka, John E., 2002. "Vertical economies in electric power: evidence on integration and its alternatives," International Journal of Industrial Organization, Elsevier, vol. 20(5), pages 653-671, May.
  7. Lee, Byung-Joo, 1995. "Separability Test for the Electricity Supply Industry," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 10(1), pages 49-60, Jan.-Marc.
  8. Cornwell, Christopher & Schmidt, Peter & Wyhowski, Donald, 1992. "Simultaneous equations and panel data," Journal of Econometrics, Elsevier, vol. 51(1-2), pages 151-181.
  9. Hart, O. & Tirole, J., 1990. "Vertical Integration And Market Foreclosure," Working papers 548, Massachusetts Institute of Technology (MIT), Department of Economics.
  10. Kaserman, David L & Mayo, John W, 1991. "The Measurement of Vertical Economies and the Efficient Structure of the Electric Utility Industry," Journal of Industrial Economics, Wiley Blackwell, vol. 39(5), pages 483-502, September.
  11. Serge Garcia & Alban Thomas, 2001. "The Structure of Municipal Water Supply Costs: Application to a Panel of French Local Communities," Journal of Productivity Analysis, Springer, vol. 16(1), pages 5-29, July.
  12. Hansen, Lars Peter, 1982. "Large Sample Properties of Generalized Method of Moments Estimators," Econometrica, Econometric Society, vol. 50(4), pages 1029-54, July.
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