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Market entry and roll-out with product differentiation

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Author Info
Tzavara, Dionisia (University of Surrey)
Paul Levine (University of Surrey, LBS and CEPR)
Neil Rickman

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Abstract

This paper examines a general problem exemplified by post-auction (third generation---`3G') mobile telecommunications markets. When entering these (or any other) markets, firms must often decide on the degree of coverage (`roll-out') they wish to achieve. Prior investment must be sunk in order to achieve the desired (or mandated) coverage level. We study the private and social incentives of a would-be entrant into a market with horizontal product differentiation when choosing its level of roll-out. The endogenous extent of entry influences downstream retail prices; Bertrand or local monopoly pricing or a mixed strategy equilibrium may emerge. Importantly, entry may involve too much or too little roll-out from a social perspective, thus suggesting that regulatory intervention may be appropriate to achieve desired levels of competition in such settings.

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Paper provided by Royal Economic Society in its series Royal Economic Society Annual Conference 2002 with number 176.

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Date of creation: 29 Aug 2002
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Handle: RePEc:ecj:ac2002:176

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  2. Carl Davidson & Raymond Deneckere, 1986. "Long-Run Competition in Capacity, Short-Run Competition in Price, and the Cournot Model," RAND Journal of Economics, The RAND Corporation, vol. 17(3), pages 404-415, Autumn. [Downloadable!] (restricted)
  3. Jean-Jacques Laffont & Patrick Rey & Jean Tirole, 1998. "Network Competition: I. Overview and Nondiscriminatory Pricing," RAND Journal of Economics, The RAND Corporation, vol. 29(1), pages 1-37, Spring. [Downloadable!] (restricted)
  4. Edward C. Prescott & Michael Visscher, 1977. "Sequential Location among Firms with Foresight," Bell Journal of Economics, The RAND Corporation, vol. 8(2), pages 378-393, Autumn. [Downloadable!] (restricted)
  5. Michael Carter & Julian Wright, 1999. "Interconnection in Network Industries," Review of Industrial Organization, Springer, vol. 14(1), pages 1-25, February. [Downloadable!] (restricted)
  6. Dixit, Avinash, 1980. "The Role of Investment in Entry-Deterrence," Economic Journal, Royal Economic Society, vol. 90(357), pages 95-106, March. [Downloadable!] (restricted)
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  7. Jean-Jacques Laffont & Patrick Rey & Jean Tirole, 1998. "Network Competition: II. Price Discrimination," RAND Journal of Economics, The RAND Corporation, vol. 29(1), pages 38-56, Spring. [Downloadable!] (restricted)
  8. Gans, Joshua S & Williams, Philip L, 1999. "Access Regulation and the Timing of Infrastructure Investment," The Economic Record, The Economic Society of Australia, vol. 75(229), pages 127-37, June.
  9. Armstrong, Mark, 2001. "The theory of access pricing and interconnection," MPRA Paper 15608, University Library of Munich, Germany. [Downloadable!]
  10. Mason, R. & Weeds, H., 2000. "Networks, Options and Preemptions," Discussion Paper Series In Economics And Econometrics 0013, Economics Division, School of Social Sciences, University of Southampton.
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  11. Armstrong, Mark, 1998. "Network Interconnection in Telecommunications," Economic Journal, Royal Economic Society, vol. 108(448), pages 545-64, May. [Downloadable!] (restricted)
  12. David M. Kreps & Jose A. Scheinkman, 1983. "Quantity Precommitment and Bertrand Competition Yield Cournot Outcomes," Bell Journal of Economics, The RAND Corporation, vol. 14(2), pages 326-337, Autumn. [Downloadable!] (restricted)
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