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Entry, costs reduction, and competition in the Portuguese mobile telephony industry

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  • Gagnepain, Philippe
  • Pereira, Pedro

Abstract

We study the effect of entry on costs and competition in the Portuguese mobile telephony industry. We construct and estimate a model that includes demand, network, and cost equations. The latter accounts for inefficiency and cost reducing effort. We show that failure to account for cost reducing effort leads to biased estimates of competition in the industry. We also find that our estimated price-cost margins are similar to hypothetical Nash margins, if firms are patient, and have optimistic beliefs about the industry growth. Finally, our results suggest that the entry of a third operator in 1998 led to significant cost reductions, and fostered competition.

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Bibliographic Info

Article provided by Elsevier in its journal International Journal of Industrial Organization.

Volume (Year): 25 (2007)
Issue (Month): 3 (June)
Pages: 461-481

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Handle: RePEc:eee:indorg:v:25:y:2007:i:3:p:461-481

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Web page: http://www.elsevier.com/locate/inca/505551

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References

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  1. Cadima, Nuno & Pita Barros, Pedro Luis, 2000. "The Impact of Mobile Phone Diffusion on the Fixed-Link Network," CEPR Discussion Papers 2598, C.E.P.R. Discussion Papers.
  2. Gruber, Harald & Verboven, Frank, 2000. "The Evolution of Markets Under Entry and Standards Regulation - The Case of Global Mobile Telecommunications," CEPR Discussion Papers 2440, C.E.P.R. Discussion Papers.
  3. S.A. Lippman & R.P. Rumelt, 1982. "Uncertain Imitability: An Analysis of Interfirm Differences in Efficiency under Competition," Bell Journal of Economics, The RAND Corporation, vol. 13(2), pages 418-438, Autumn.
  4. Seade, Jesus K, 1980. "On the Effects of Entry," Econometrica, Econometric Society, vol. 48(2), pages 479-89, March.
  5. Pereira, Pedro, 2001. "Market power, cost reduction and consumer search," International Journal of Industrial Organization, Elsevier, vol. 19(9), pages 1457-1473, November.
  6. Philip M. Parker & Lars-Hendrik Roller, 1997. "Collusive Conduct in Duopolies: Multimarket Contact and Cross-Ownership in the Mobile Telephone Industry," RAND Journal of Economics, The RAND Corporation, vol. 28(2), pages 304-322, Summer.
  7. Hopenhayn, Hugo A, 1992. "Entry, Exit, and Firm Dynamics in Long Run Equilibrium," Econometrica, Econometric Society, vol. 60(5), pages 1127-50, September.
  8. Gagnepain, P. & Ivaldi, M., 1999. "Incentive Regulatory Policies: the Case of Public Transit Systems in France," Papers 99.515, Toulouse - GREMAQ.
  9. Madden, Gary & Coble-Neal, Grant & Dalzell, Brian, 2004. "A dynamic model of mobile telephony subscription incorporating a network effect," Telecommunications Policy, Elsevier, vol. 28(2), pages 133-144, March.
  10. Gruber H. & Verboven F., 1999. "The evolution of markets under entry and standards regulation: the case of a global mobile telecommunications," Working Papers 1999038, University of Antwerp, Faculty of Applied Economics.
  11. Jean-Jacques Laffont & Jean Tirole, 1993. "A Theory of Incentives in Procurement and Regulation," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262121743, December.
  12. McKenzie, David J & Small, John P, 1997. "Econometric Cost Structure Estimates for Cellular Telephony in the United States," Journal of Regulatory Economics, Springer, vol. 12(2), pages 147-57, September.
  13. Vuong, Quang H, 1989. "Likelihood Ratio Tests for Model Selection and Non-nested Hypotheses," Econometrica, Econometric Society, vol. 57(2), pages 307-33, March.
  14. Rosenthal, Robert W, 1980. "A Model in Which an Increase in the Number of Sellers Leads to a Higher Price," Econometrica, Econometric Society, vol. 48(6), pages 1575-79, September.
  15. Foreman, R Dean & Beauvais, Edward, 1999. "Scale Economies in Cellular Telephony: Size Matters," Journal of Regulatory Economics, Springer, vol. 16(3), pages 297-306, November.
  16. Jovanovic, Boyan, 1982. "Selection and the Evolution of Industry," Econometrica, Econometric Society, vol. 50(3), pages 649-70, May.
  17. Aigner, Dennis & Lovell, C. A. Knox & Schmidt, Peter, 1977. "Formulation and estimation of stochastic frontier production function models," Journal of Econometrics, Elsevier, vol. 6(1), pages 21-37, July.
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Cited by:
  1. Pedro Pereira & Tiago Ribeiro, 2006. "The Impact on Broadband Access to the Internet of the Dual Ownership of Telephone and Cable Networks," Working Papers 17, Portuguese Competition Authority.
  2. Li, Yan & Pittman, Russell, 2012. "The proposed merger of AT&T and T-Mobile: Are there unexhausted scale economies in U.S. mobile telephony?," MPRA Paper 39043, University Library of Munich, Germany.
  3. Lukasz Grzybowski & Pedro Pereira, 2006. "Simulation of Merger in Mobile Telephony in Portugal," Working Papers 06-22, NET Institute, revised Oct 2006.

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