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Access Regulation and Welfare

  • Romain Lestage


    (TEMEP, College of Engineering, Seoul National University)

  • David Flacher


    (Centre d'Economie de l'universite Paris Nord (CEPN))

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    Abstract In a 2006 paper, Graeme Guthrie underlined that “[T]he impact of access price level on investment is not yet fully understood” and that “even less is known about the overall impact on welfare” (Guthrie 2006, p. 965). Although important progress has been made on the former issue, the latter remains largely underinvestigated. This paper contributes to addressing this question by analyzing the optimal access price in different investment games. Our main findings are as follows: 1. When only one firm can invest and when only service-based competition is feasible, the optimal access price is such as the flat part is as high as possible and the variable part equals the marginal cost. 2. The optimal variable part is lower when only service-based competition is possible than when several firms can invest, although there is too much duplication in the latter case. 3. When several firms can invest, the optimal access price is such as the flat part is as high as possible and the variable part is higher than the marginal cost. These results arise because the variable part determines both private incentives to invest and to duplicate and the extent to which investment and duplication are socially desirable.

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    Paper provided by Seoul National University; Technology Management, Economics, and Policy Program (TEMEP) in its series TEMEP Discussion Papers with number 201185.

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    Length: 20 pages
    Date of creation: Dec 2011
    Date of revision: Dec 2011
    Handle: RePEc:snv:dp2009:201185
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    1. M. Bourreau & P. Dogan, . "Unbundling the Local Loop," Working Paper 33648, Harvard University OpenScholar.
    2. Foros, Oystein, 2004. "Strategic investments with spillovers, vertical integration and foreclosure in the broadband access market," International Journal of Industrial Organization, Elsevier, vol. 22(1), pages 1-24, January.
    3. repec:hal:wpaper:hal-00440126 is not listed on IDEAS
    4. Keiichi Hori & Keizo Mizuno, 2009. "Competition schemes and investment in network infrastructure under uncertainty," Journal of Regulatory Economics, Springer, vol. 35(2), pages 179-200, April.
    5. Marc Bourreau & Johan Hombert & Jérôme Pouyet & Nicolas Schutz, 2011. "Upstream Competition between Vertically Integrated Firms," Post-Print hal-00656608, HAL.
    6. Vareda João & Hoernig Steffen, 2010. "Racing for Investment under Mandatory Access," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 10(1), pages 1-31, July.
    7. Cambini, Carlo & Valletti, Tommaso, 2003. "Investments and Network Competition," CEPR Discussion Papers 3829, C.E.P.R. Discussion Papers.
    8. Avenali, Alessandro & Matteucci, Giorgio & Reverberi, Pierfrancesco, 2010. "Dynamic access pricing and investment in alternative infrastructures," International Journal of Industrial Organization, Elsevier, vol. 28(2), pages 167-175, March.
    9. M. Bourreau & P. Dogan & M. Manant, . "A critical review of the ladder of investment approach," Working Paper 33654, Harvard University OpenScholar.
    10. Brito, Duarte & Pereira, Pedro & Vareda, João, 2010. "Can two-part tariffs promote efficient investment on next generation networks?," International Journal of Industrial Organization, Elsevier, vol. 28(3), pages 323-333, May.
    11. Graeme Guthrie, 2006. "Regulating Infrastructure: The Impact on Risk and Investment," Journal of Economic Literature, American Economic Association, vol. 44(4), pages 925-972, December.
    12. Gans, Joshua S, 2001. "Regulating Private Infrastructure Investment: Optimal Pricing for Access to Essential Facilities," Journal of Regulatory Economics, Springer, vol. 20(2), pages 167-89, September.
    13. Nitsche, Rainer & Wiethaus, Lars, 2011. "Access regulation and investment in next generation networks -- A ranking of regulatory regimes," International Journal of Industrial Organization, Elsevier, vol. 29(2), pages 263-272, March.
    14. Barros, Pedro Luis Pita & Hoernig, Steffen & Valletti, Tommaso, 2001. "Universal Service and Entry: the Role of Uniform Pricing and Coverage Constraints," CEPR Discussion Papers 2789, C.E.P.R. Discussion Papers.
    15. Guthrie, Graeme, 2006. "Regulating Infrastructure: The Impact on Risk and Investment," Working Paper Series 3851, Victoria University of Wellington, The New Zealand Institute for the Study of Competition and Regulation.
    16. Kotakorpi, Kaisa, 2006. "Access price regulation, investment and entry in telecommunications," International Journal of Industrial Organization, Elsevier, vol. 24(5), pages 1013-1020, September.
    17. Hori, Keiichi & Mizuno, Keizo, 2006. "Access pricing and investment with stochastically growing demand," International Journal of Industrial Organization, Elsevier, vol. 24(4), pages 795-808, July.
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