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Productivity Growth in Telecommunications: The Case of Tennessee

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  • Christopher C. Klein

Abstract

A divisia index of total factor productivity (TFP) growth is calculated for each of 16 regulated local telephone companies operating in Tennessee over the years 1989 through 1993. Year over year changes in TFP, in Tornqvist form, yield a growth in total factor productivity estimate for each company. These growth rates, however, contain the effects of both scale and technical change. Using the method suggested by Caves and Christensen, the effects are decomposed indirectly by regressing the annual percentage changes in TFP growth against measures of scale, service density, and network size. The results are consistent with the findings of economies of density and nearly constant returns to scale prevalent in the telecommunications literature.

Suggested Citation

  • Christopher C. Klein, 2007. "Productivity Growth in Telecommunications: The Case of Tennessee," Working Papers 200714, Middle Tennessee State University, Department of Economics and Finance.
    • Handle: RePEc:mts:wpaper:200714
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    File URL: http://capone.mtsu.edu/berc/working/TFPRUT-07WP.pdf
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    References listed on IDEAS

    as
    1. Diewert, W. E., 1976. "Exact and superlative index numbers," Journal of Econometrics, Elsevier, vol. 4(2), pages 115-145, May.
    2. Gasmi, F & Laffont, Jean-Jacques & Sharkey, W W, 1997. "Incentive Regulation and the Cost Structure of the Local Telephone Exchange Network," Journal of Regulatory Economics, Springer, vol. 12(1), pages 5-25, July.
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    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    total factor productivity; telecommunications; network size;
    All these keywords.

    JEL classification:

    • L96 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Telecommunications
    • L51 - Industrial Organization - - Regulation and Industrial Policy - - - Economics of Regulation
    • O30 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - General

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