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Economies of Scale and Scope in Australian Telecommunications

Author

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  • Harry Bloch
  • Gary Madden
  • Scott Savage

Abstract

This paper employs a composite cost function to examine the cost structure of Australian telephone services. The composite cost model combines the log-quadratic input price structure of the translog model with a quadratic structure for multiple outputs. Quadratic output structures permit the measurement of economies of scale, economies of scope, and subadditivity without prejudging their presence. Model estimates, on Telstra system data from 1926 to 1991, show that the production of Australian telephone services exhibits economies of scope but no ray economies of scale.
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Suggested Citation

  • Harry Bloch & Gary Madden & Scott Savage, 2001. "Economies of Scale and Scope in Australian Telecommunications," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 18(2), pages 219-227, March.
  • Handle: RePEc:kap:revind:v:18:y:2001:i:2:p:219-227
    DOI: 10.1023/A:1007839802268
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    References listed on IDEAS

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    1. Pulley, Lawrence B & Braunstein, Yale M, 1992. "A Composite Cost Function for Multiproduct Firms with an Application to Economies of Scope in Banking," The Review of Economics and Statistics, MIT Press, vol. 74(2), pages 221-230, May.
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    Citations

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    Cited by:

    1. Kwon, Oh Sang & Yun, Won-Cheol, 2003. "Measuring economies of scope for cogeneration systems in Korea: a nonparametric approach," Energy Economics, Elsevier, vol. 25(4), pages 331-338, July.
    2. Hajargasht, Gholamreza & Coelli, Tim & Rao, D.S. Prasada, 2008. "A dual measure of economies of scope," Economics Letters, Elsevier, vol. 100(2), pages 185-188, August.
    3. Kox, Henk L.M. & Leeuwen, George van & Wiel, Henry van der, 2010. "Competitive, but too small - productivity and entry-exit determinants in European business services," MPRA Paper 24389, University Library of Munich, Germany.
    4. Chavas, Jean-Paul & Kim, Kwansoo, 2010. "Economies of diversification: A generalization and decomposition of economies of scope," International Journal of Production Economics, Elsevier, vol. 126(2), pages 229-235, August.
    5. Elisabetta Ottoz & Marina Di Giacomo, 2012. "Diversification strategies and scope economies: evidence from a sample of Italian regional bus transport providers," Applied Economics, Taylor & Francis Journals, vol. 44(22), pages 2867-2880, August.
    6. Piacenza, Massimiliano & Vannoni, Davide, 2004. "Choosing among alternative cost function specifications: an application to Italian multi-utilities," Economics Letters, Elsevier, vol. 82(3), pages 415-422, March.
    7. Mancuso, Paolo, 2012. "Regulation and efficiency in transition: The case of telecommunications in Italy," International Journal of Production Economics, Elsevier, vol. 135(2), pages 762-770.
    8. Giovanni Fraquelli & Massimiliano Piacenza & Davide Vannoni, 2004. "Scope and scale economies in multi-utilities: evidence from gas, water and electricity combinations," Applied Economics, Taylor & Francis Journals, vol. 36(18), pages 2045-2057.
    9. Takeshi Nishimura, 2015. "Optimal design of scoring auctions with multidimensional quality," Review of Economic Design, Springer;Society for Economic Design, vol. 19(2), pages 117-143, June.
    10. Russell Pittman, 2003. "Vertical Restructuring (or Not) of the Infrastructure Sectors of Transition Economies," Journal of Industry, Competition and Trade, Springer, vol. 3(1), pages 5-26, March.
    11. Kwansoo Kim & Donghwan An, 2015. "Nonparametric Evaluation of Economies of Scope in the Context of Technical Efficiency: The Case of Rice and Vegetable Farms in Korea," Asian Economic Journal, East Asian Economic Association, vol. 29(3), pages 285-301, September.
    12. Russell Pittman, 2001. "Vertical Restructuring of the Infrastructure Sectors of Transition Economies," Industrial Organization 0111002, EconWPA.

    More about this item

    Keywords

    Telecommunications; production; scale; scope; Australia;

    JEL classification:

    • L96 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Telecommunications

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