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Costs, Productivity, and Firm Heterogeneity in Local Telephone Markets

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  • Wilson, Wesley W
  • Zhou, Yimin

Abstract

In the last few decades, the telecommunications industry has experienced dramatic technological change. However, since divestiture of AT&T, there have been only a few studies that estimate the effects of technological change. Using a cost function, we estimate these effects. Unlike previous studies, we model unobserved heterogeneity in the error structure. We find strong evidence in favor of heterogeneity and that accounting for heterogeneity provides estimated effects of technological change that are smaller and estimated scale effects that are larger than those without controls for heterogeneity. Copyright 1997 by Kluwer Academic Publishers

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  • Wilson, Wesley W & Zhou, Yimin, 1997. "Costs, Productivity, and Firm Heterogeneity in Local Telephone Markets," Journal of Regulatory Economics, Springer, vol. 11(3), pages 291-310, May.
    • Handle: RePEc:kap:regeco:v:11:y:1997:i:3:p:291-310
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    Cited by:

    1. Abdullah Al-Hadi, Azrina & Peoples, James, 2016. "Input Price Effect on Productivity Gains in the United States Railroad Industry," Jurnal Ekonomi Malaysia, Faculty of Economics and Business, Universiti Kebangsaan Malaysia, vol. 50(2), pages 3-14.
    2. Wilson, Wesley W. & Zhou, Yimin, 2001. "Telecommunications deregulation and subadditive costs: Are local telephone monopolies unnatural?," International Journal of Industrial Organization, Elsevier, vol. 19(6), pages 909-930, May.

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