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Merger simulation using average market share: An application to the Optimus-TMN mobile merger case

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  • Andini, Corrado
  • Cabral, Ricardo

Abstract

This paper develops a new merger simulation methodology based on the analysis of the performance change of a hypothetical firm with average market share. It applies the methodology to the Optimus-TMN mobile telecom merger case in Portugal, within the context of the December 2006 decision by the Portuguese Competition Authority to authorize the merger between their respective parent companies, Sonaecom and Portugal Telecom. The results suggest that the Optimus-TMN merger would have resulted in 3.8% higher prices and 14.9% lower marginal costs, and would have been welfare-enhancing. These findings attest to the importance of the "efficiency defense" hypothesis of mergers. They suggest that competition authorities are warranted in allowing further consolidation in the telecom sector, but that consolidation should be accompanied by strict retail price-cap regulation.

Suggested Citation

  • Andini, Corrado & Cabral, Ricardo, 2011. "Merger simulation using average market share: An application to the Optimus-TMN mobile merger case," Telecommunications Policy, Elsevier, vol. 35(1), pages 36-50, February.
  • Handle: RePEc:eee:telpol:v:35:y:2011:i:1:p:36-50
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    Cited by:

    1. Massimiliano Agovino Author-Email: agovino.massimo@gmail.com & Antonio Garofalo Author-Email: antonio.garofalo@uniparthenope.it, 2016. "The Impact of Education on Wage Determination between Workers in Southern and Central-Northern Italy," Panoeconomicus, Savez ekonomista Vojvodine, Novi Sad, Serbia, vol. 63(1), pages 25-43, March.
    2. Wellmann, Nicolas, 2019. "Hello . . . Are You Still There? An Empirical Analysis How Market Structure Affects Quality of Mobile Networks," VfS Annual Conference 2019 (Leipzig): 30 Years after the Fall of the Berlin Wall - Democracy and Market Economy 203579, Verein für Socialpolitik / German Economic Association.
    3. Corrado Andini & Ricardo Cabral, 2013. "How do mobile-voice operators compete? IVQR estimates," Applied Economics Letters, Taylor & Francis Journals, vol. 20(1), pages 18-22, January.

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