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Mobile Number Portability

Author

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  • Buehler, Stefan

    (University of Zurich and University of St. Gallen)

  • Haucap, Justus

    (Helmut Schmidt University, Hamburg)

Abstract

This paper examines the consequences of introducing mobile number portability (MNP). As MNP allows consumers to keep their telephone number when switching providers, it reduces consumers' switching costs. However, MNP may also cause consumer ignorance if telephone numbers no longer identify networks. As a result, while fostering competition for mobile customers, MNP may also induce operators to increase termination charges for calls to mobile networks, generating ambiguous welfare effects. We examine how extensions such as MNP based on call-forwarding, termination fee regulation, and alternative means of carrier identification affect these findings.

Suggested Citation

  • Buehler, Stefan & Haucap, Justus, 2003. "Mobile Number Portability," Working Paper 17/2003, Helmut Schmidt University, Hamburg.
    • Handle: RePEc:ris:vhsuwp:2003_017
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    References listed on IDEAS

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    Cited by:

    1. Dewenter, Ralf & Kruse, Jörn, 2011. "Calling party pays or receiving party pays? The diffusion of mobile telephony with endogenous regulation," Information Economics and Policy, Elsevier, vol. 23(1), pages 107-117, March.
    2. Bouckaert, Jan & Degryse, Hans & Provoost, Thomas, 2010. "Enhancing market power by reducing switching costs," Economics Letters, Elsevier, vol. 109(2), pages 131-133, November.
    3. Ralf Dewenter & Justus Haucap, 2005. "The Effects of Regulating Mobile Termination Rates for Asymmetric Networks," European Journal of Law and Economics, Springer, vol. 20(2), pages 185-197, September.
    4. McGowan, Féidhlim, 2018. "The roaming regulation and the case for applying behavioural industrial organisation to EU competition policy," Papers WP598, Economic and Social Research Institute (ESRI).
    5. Florez Ramos, Esmeralda & Blind, Knut, 2020. "Data portability effects on data-driven innovation of online platforms: Analyzing Spotify," Telecommunications Policy, Elsevier, vol. 44(9).
    6. Simon Loertscher & Yves Schneider, 2005. "Switching Costs, Firm Size, and Market Structure," SOI - Working Papers 0508, Socioeconomic Institute - University of Zurich.
    7. Phirak LENG, 2016. "A Cost-Benefit Assessment of the Regulatory Policy in Cambodias Mobile Telecommunications Market," Asian Development Policy Review, Asian Economic and Social Society, vol. 4(1), pages 1-25, March.
    8. Usero Sánchez, Belén & Asimakopoulos, Grigorios, 2012. "Regulation and competition in the European mobile communications industry: An examination of the implementation of mobile number portability," Telecommunications Policy, Elsevier, vol. 36(3), pages 187-196.
    9. Mothobi, Onkokame, 2022. "The impact of telecommunication regulatory policy on mobile retail price in Sub-Saharan African countries," Information Economics and Policy, Elsevier, vol. 58(C).
    10. Abdulmajeed K. Al-Otaiby & Emad A. Ismail, 2023. "Factors Influencing Switching Behavior of Telecom Customers in Saudi Arabia," International Journal of Business and Management, Canadian Center of Science and Education, vol. 17(12), pages 1-32, February.
    11. Ramachander, Sangamitra, 2016. "The price sensitivity of mobile use among low income households in six countries of Asia," Telecommunications Policy, Elsevier, vol. 40(7), pages 673-691.
    12. Yu-Shan Lo, "undated". "Market Shares, Consumer Ignorance and the Reciprocal Termination Charges," Discussion Papers 09/19, Department of Economics, University of York.
    13. Gurjeet Kaur & Ritika Sambyal, 2016. "Exploring Predictive Switching Factors for Mobile Number Portability," Vikalpa: The Journal for Decision Makers, , vol. 41(1), pages 74-95, March.
    14. Dejan Trifunović & Đorđe Mitrović, 2018. "Pro-Competitive Regulatory Policies For Post-Paid And Pre-Paid Mobile Phone Markets," Economic Annals, Faculty of Economics and Business, University of Belgrade, vol. 63(218), pages 85-104, July – Se.
    15. Simon Gyasi Nimako & Joseph Mbawuni, 2016. "Examining Switching Intentions, Partial and Total Switching among Mobile Subscribers in Ghana," International Business Research, Canadian Center of Science and Education, vol. 9(5), pages 36-47, May.
    16. Jonida Gjika & Endirë Bushati, 2023. "Balancing Legal Framework, Regulatory Mechanisms and Competition across Number Portability in Albania," Academic Journal of Interdisciplinary Studies, Richtmann Publishing Ltd, vol. 12, November.
    17. Vogelsang, Ingo, 2010. "The relationship between mobile and fixed-line communications: A survey," Information Economics and Policy, Elsevier, vol. 22(1), pages 4-17, March.
    18. Tözer, Ayhan, 2010. "Assessment of First Comer Advantages and Network Effects; the Case of Turkish GSM Market," 21st European Regional ITS Conference, Copenhagen 2010: Telecommunications at new crossroads - Changing value configurations, user roles, and regulation 35, International Telecommunications Society (ITS).
    19. Marcio Iorio Aranha, 2016. "Telecommunications Regulatory Design in Brazil: Networking around State Capacity Deficits," ECONOMIA PUBBLICA, FrancoAngeli Editore, vol. 2016(2), pages 83-105.
    20. Ambjørnsen, Terje & Foros, Øystein & Wasenden, Ole-Christian B., 2011. "Customer ignorance, price-cap regulation, and rent-seeking in mobile roaming," Information Economics and Policy, Elsevier, vol. 23(1), pages 27-36, March.
    21. Sean Lyons, 2006. "Measuring the Benefits of Mobile Number Portability," Trinity Economics Papers tep2009, Trinity College Dublin, Department of Economics.

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    More about this item

    Keywords

    number portability; switching costs; telecommunications; network competition;
    All these keywords.

    JEL classification:

    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L51 - Industrial Organization - - Regulation and Industrial Policy - - - Economics of Regulation
    • L96 - Industrial Organization - - Industry Studies: Transportation and Utilities - - - Telecommunications

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