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Divestiture and Its Implications for Innovation and Productivity Growth in U.S. Telecommunications


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  • Anusua Datta

    (School of Business Administration (Economics), Philadelphia University)

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    This study has sought to determine the impact of policy changes that led to the breakup of the monopoly structure of U.S. telecommunications on productivity and research activities of AT&T. A simultaneous-equations model is used to examine the relationship between research intensity, market share, firm size, and total factor productivity (TFP) before and after divestiture. The results show that the effect of divestiture on productivity is negative but that competition has a significantly positive effect. Contrary to popular argument, competition led to significant increases in R&D investment by AT&T. The study also finds a strong and positive relationship between R&D and productivity in the postdivestiture period, marked by its absence in the predivestiture years. Scale economies remain important, indicating the industry continues to favor large firms.

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    Bibliographic Info

    Article provided by Southern Economic Association in its journal Southern Economic Journal.

    Volume (Year): 69 (2003)
    Issue (Month): 3 (January)
    Pages: 644-558

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    Handle: RePEc:sej:ancoec:v:69:3:y:2003:p:644-658

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    Cited by:
    1. Enowbi Batuo, Michael, 2008. "The Role of Telecommunication Infrastructure in the Regional Economic Growth of Africa," MPRA Paper 19133, University Library of Munich, Germany.
    2. Enowbi Batuo, Michael, 2008. "The Role of Telecommunication Infrastructure in the Regional Economic Growth of Africa," MPRA Paper 12431, University Library of Munich, Germany, revised 07 Oct 2008.
    3. Lestage, Romain & Flacher, David & Kim, Yeonbae & Kim, Jihwan & Kim, Yunhee, 2013. "Competition and investment in telecommunications: Does competition have the same impact on investment by private and state-owned firms?," Information Economics and Policy, Elsevier, Elsevier, vol. 25(1), pages 41-50.


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