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Simulation of Merger in Mobile Telephony in Portugal

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This article assesses the unilateral e ects of a merger in the Portuguese mobile telephony market. We use aggregate quarterly data from 1999 to 2005 and a nested logit model to estimate the price elasticities of demand and the marginal costs of subscription to mobile services. We nd that mobile services provided by the rms in the market are close substitutes. Based on these estimates, we simulate the e ects of the merger. The merger may result in substantial price increases, even in the presence of large cost e ciencies.

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File URL: http://www.netinst.org/Grzybowski-Pereira.pdf
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Paper provided by NET Institute in its series Working Papers with number 06-22.

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Length: 26 pages
Date of creation: Oct 2006
Date of revision: Oct 2006
Handle: RePEc:net:wpaper:0622
Contact details of provider: Web page: http://www.NETinst.org/

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  1. Doganoglu, Toker & Grzybowski, Lukasz, 2007. "Estimating network effects in mobile telephony in Germany," Information Economics and Policy, Elsevier, vol. 19(1), pages 65-79, March.
  2. Gagnepain, Philippe & Pereira, Pedro, 2007. "Entry, costs reduction, and competition in the Portuguese mobile telephony industry," International Journal of Industrial Organization, Elsevier, vol. 25(3), pages 461-481, June.
  3. Pereira, Pedro & Ribeiro, Tiago, 2011. "The impact on broadband access to the Internet of the dual ownership of telephone and cable networks," International Journal of Industrial Organization, Elsevier, vol. 29(2), pages 283-293, March.
  4. Aviv Nevo, 2000. "Mergers with Differentiated Products: The Case of the Ready-to-Eat Cereal Industry," RAND Journal of Economics, The RAND Corporation, vol. 31(3), pages 395-421, Autumn.
  5. Hausman, Jerry & McFadden, Daniel, 1984. "Specification Tests for the Multinomial Logit Model," Econometrica, Econometric Society, vol. 52(5), pages 1219-1240, September.
  6. Pinkse, Joris & Slade, Margaret E., 2004. "Mergers, brand competition, and the price of a pint," European Economic Review, Elsevier, vol. 48(3), pages 617-643, June.
  7. Rodini, Mark & Ward, Michael R. & Woroch, Glenn A., 0. "Going mobile: substitutability between fixed and mobile access," Telecommunications Policy, Elsevier, vol. 27(5-6), pages 457-476, June.
  8. Steven T. Berry, 1994. "Estimating Discrete-Choice Models of Product Differentiation," RAND Journal of Economics, The RAND Corporation, vol. 25(2), pages 242-262, Summer.
  9. Pedro Pereira & José C. Pernías-Cerrillo, 2005. "The Diffusion of Cellular Telephony in Portugal before UMTS: A Time Series Approach," Working Papers 08, Portuguese Competition Authority.
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