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Reform and Efficiency Gains in the New Zealand Electrical Supply Industry

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  • Gerald Scully

Abstract

As part of a general program of market-based reform, New Zealand transformed the electrical supply industry from state-owned to commercially-oriented power companies. This paper tests the hypothesis that such privatization is efficiency-improving. A translog cost function is specified and estimated with controls for system (engineering) characteristics and environmental variables, and it is found that the reforms had substantial cost-reducing effects. The reforms are found to have benefitted customers, with the real price of electricity falling 16.4 percent, over the period. Copyright Kluwer Academic Publishers 1999

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  • Gerald Scully, 1999. "Reform and Efficiency Gains in the New Zealand Electrical Supply Industry," Journal of Productivity Analysis, Springer, vol. 11(2), pages 133-147, April.
    • Handle: RePEc:kap:jproda:v:11:y:1999:i:2:p:133-147
    DOI: 10.1023/A:1007767631738
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    References listed on IDEAS

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    1. Caves, Douglas W & Christensen, Laurits R & Diewert, W Erwin, 1982. "The Economic Theory of Index Numbers and the Measurement of Input, Output, and Productivity," Econometrica, Econometric Society, vol. 50(6), pages 1393-1414, November.
    2. Caves, Douglas W & Christensen, Laurits R & Swanson, Joseph A, 1981. "Productivity Growth, Scale Economies, and Capacity Utilization in U.S. Railroads, 1955-74," American Economic Review, American Economic Association, vol. 71(5), pages 994-1002, December.
    3. Hanoch, Giora, 1975. "The Elasticity of Scale and the Shape of Average Costs," American Economic Review, American Economic Association, vol. 65(3), pages 492-497, June.
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    Cited by:

    1. Filippini, M. & Greene, W. & Masiero, G., 2018. "Persistent and transient productive inefficiency in a regulated industry: electricity distribution," Energy Economics, Elsevier, vol. 69(C), pages 325-334.
    2. Ghulam, Yaseen & Jaffry, Shabbar, 2015. "Efficiency and productivity of the cement industry: Pakistani experience of deregulation and privatisation," Omega, Elsevier, vol. 54(C), pages 101-115.
    3. Dimitri Dimitropoulos and Adonis Yatchew, 2017. "Is Productivity Growth in Electricity Distribution Negative? An Empirical Analysis Using Ontario Data," The Energy Journal, International Association for Energy Economics, vol. 0(Number 2).
    4. Shamsuzzoha & Makoto Tanaka, 2021. "The role of human capital on the performance of manufacturing firms in Bangladesh," Managerial and Decision Economics, John Wiley & Sons, Ltd., vol. 42(1), pages 21-33, January.

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