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Monopoly Unveiled: Telecom Breakups in the US and Mexico

Author

Listed:
  • Fausto Hern'andez Trillo
  • C. Vladimir Rodr'iguez-Caballero
  • Daniel Ventosa-Santaul`aria

Abstract

This paper posits the decline in market capitalization following a monopoly breakup serves as a means to gauge how financial markets assess market power. Our research, which employs univariate structural time series models to estimate the firm's value without the breakup and juxtapose it with actual post-divestiture values, reveals a staggering drop in AT&T's value by 65% and AMX's by 32% from their pre-breakup levels. These findings underscore the contemporary valuation of monopoly rents as perceived by financial markets, highlighting the significant impact of monopoly breakup on market capitalization and the need for a deeper understanding of these dynamics.

Suggested Citation

  • Fausto Hern'andez Trillo & C. Vladimir Rodr'iguez-Caballero & Daniel Ventosa-Santaul`aria, 2024. "Monopoly Unveiled: Telecom Breakups in the US and Mexico," Papers 2407.09695, arXiv.org.
    • Handle: RePEc:arx:papers:2407.09695
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    References listed on IDEAS

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    1. Harvey, Andrew, 2001. "Testing in Unobserved Components Models," Journal of Forecasting, John Wiley & Sons, Ltd., vol. 20(1), pages 1-19, January.
    2. Lobato, Ignacio N. & Velasco, Carlos, 2004. "A Simple Test Of Normality For Time Series," Econometric Theory, Cambridge University Press, vol. 20(4), pages 671-689, August.
    3. Helske, Jouni, 2017. "KFAS: Exponential Family State Space Models in R," Journal of Statistical Software, Foundation for Open Access Statistics, vol. 78(i10).
    4. Gale, Bradley T, 1972. "Market Share and Rate of Return," The Review of Economics and Statistics, MIT Press, vol. 54(4), pages 412-423, November.
    5. Irma Hindrayanto & John A.D. Aston & Siem Jan Koopman & Marius Ooms, 2013. "Modelling trigonometric seasonal components for monthly economic time series," Applied Economics, Taylor & Francis Journals, vol. 45(21), pages 3024-3034, July.
    6. Canova, Fabio & Hansen, Bruce E, 1995. "Are Seasonal Patterns Constant over Time? A Test for Seasonal Stability," Journal of Business & Economic Statistics, American Statistical Association, vol. 13(3), pages 237-252, July.
    7. Fisher, Franklin M & McGowan, John J, 1983. "On the Misuse of Accounting Rates of Return to Infer Monopoly Profits," American Economic Review, American Economic Association, vol. 73(1), pages 82-97, March.
    8. Mark Duggan & Craig Garthwaite & Aparajita Goyal, 2016. "The Market Impacts of Pharmaceutical Product Patents in Developing Countries: Evidence from India," American Economic Review, American Economic Association, vol. 106(1), pages 99-135, January.
    9. Fisher, Franklin M, 1987. "Horizontal Mergers: Triage and Treatment," Journal of Economic Perspectives, American Economic Association, vol. 1(2), pages 23-40, Fall.
    10. Harvey,Andrew C., 1991. "Forecasting, Structural Time Series Models and the Kalman Filter," Cambridge Books, Cambridge University Press, number 9780521405737, January.
    11. Gregor Andrade & Mark Mitchell & Erik Stafford, 2001. "New Evidence and Perspectives on Mergers," Journal of Economic Perspectives, American Economic Association, vol. 15(2), pages 103-120, Spring.
    12. Kenneth G. Elzinga & David E. Mills, 2011. "The Lerner Index of Monopoly Power: Origins and Uses," American Economic Review, American Economic Association, vol. 101(3), pages 558-564, May.
    13. Dirk Hackbarth & Erwan Morellec, 2008. "Stock Returns in Mergers and Acquisitions," Journal of Finance, American Finance Association, vol. 63(3), pages 1213-1252, June.
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    JEL classification:

    • G1 - Financial Economics - - General Financial Markets
    • L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance

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