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Measuring the Benefits of Mobile Number Portability

  • Sean Lyons

    ()

    (Department of Economics, Trinity College)

Increasing numbers of countries require mobile telephone networks to offer mobile number portability (MNP). MNP allows customers who wish to switch mobile operator to keep their mobile numbers, avoiding the costs of switching to new numbers. Ex ante assessments suggest that MNP should reduce switching costs and strengthen competition. In this paper, we test MNP’s impact on market outcomes using international time-series cross-section data. We find that MNP significantly increases average mobile telephony retail prices and churn (a proxy for switching).

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File URL: http://www.tcd.ie/Economics/TEP/2006_papers/TEP9.pdf
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Paper provided by Trinity College Dublin, Department of Economics in its series Trinity Economics Papers with number tep2009.

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Length: 36 pages
Date of creation: May 2006
Date of revision:
Handle: RePEc:tcd:tcduee:tep2009
Contact details of provider: Postal: Trinity College, Dublin 2
Phone: (+ 353 1) 6081325
Fax: 6772503
Web page: http://www.tcd.ie/Economics/

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  1. Arellano, Manuel & Bond, Stephen, 1991. "Some Tests of Specification for Panel Data: Monte Carlo Evidence and an Application to Employment Equations," Review of Economic Studies, Wiley Blackwell, vol. 58(2), pages 277-97, April.
  2. Stefan Buehler & Justus Haucap, 2003. "Mobile Number Portability," SOI - Working Papers 0303, Socioeconomic Institute - University of Zurich, revised Jul 2003.
  3. Gans, Joshua S. & King, Stephen P., 2000. "Mobile network competition, customer ignorance and fixed-to-mobile call prices," Information Economics and Policy, Elsevier, vol. 12(4), pages 301-327, December.
  4. Buehler, Stefan & Dewenter, Ralf & Haucap, Justus, 2005. "Mobile Number Portability in Europe," Working Paper 41/2005, Helmut Schmidt University, Hamburg.
  5. Gans, Joshua S. & King, Stephen P. & Woodbridge, Graeme, 2001. "Numbers to the people: regulation, ownership and local number portability," Information Economics and Policy, Elsevier, vol. 13(2), pages 167-180, June.
  6. Thomas W. Hazlett & Roberto E. Muñoz, 2009. "A welfare analysis of spectrum allocation policies," RAND Journal of Economics, RAND Corporation, vol. 40(3), pages 424-454.
  7. repec:reg:rpubli:348 is not listed on IDEAS
  8. Padilla A. Jorge, 1995. "Revisiting Dynamic Duopoly with Consumer Switching Costs," Journal of Economic Theory, Elsevier, vol. 67(2), pages 520-530, December.
  9. Aoki, Reiko & Small, John, 2010. "The Economics of Number Portability: Switching Costs and Two-Part Tariffs," PIE/CIS Discussion Paper 483, Center for Intergenerational Studies, Institute of Economic Research, Hitotsubashi University.
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