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Aftermarket Power and Basic Market Competition

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Author Info
Cabral, Luís M B

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Abstract

I revisit the relation between aftermarket power and basic market competition. I consider an infinite period model with overlapping consumers: in each period, one consumer is born and joins one of the existing installed bases, then aftermarket payoffs are received by sellers and consumers, then finally one consumer dies. I derive the unique symmetric Markov equilibrium of this game and the resulting stationary distribution over states (each firm's installed base). I show that an increase in aftermarket power increases the extent of increasing dominance (i.e., a large firm is increasingly more likely to capture a new consumer than a small firm). This in turn leads to several implications of aftermarket power. First, the stationary distribution places greater weight on asymmetric states. Second, social welfare is greater. Third, under some conditions consumer welfare is also greater. Fourth, the value of a firm with zero installed base is lower, and so barriers to entry are higher.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 6802.

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Date of creation: Apr 2008
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Handle: RePEc:cpr:ceprdp:6802

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Related research
Keywords: aftermarkets; dynamic price competition; market power;

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Find related papers by JEL classification:
L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance
L4 - Industrial Organization - - Antitrust Issues and Policies

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References listed on IDEAS
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  1. Budd, Christopher & Harris, Christopher & Vickers, John, 1993. "A Model of the Evolution of Duopoly: Does the Asymmetry between Firms Tend to Increase or Decrease?," Review of Economic Studies, Blackwell Publishing, vol. 60(3), pages 543-73, July. [Downloadable!] (restricted)
  2. Cabral, Luis M B & Riordan, Michael H, 1994. "The Learning Curve, Market Dominance, and Predatory Pricing," Econometrica, Econometric Society, vol. 62(5), pages 1115-40, September. [Downloadable!] (restricted)
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  3. Zhiqi Chen & Thomas Ross & W. Stanbury, 1998. "Refusals to Deal and Aftermarkets," Review of Industrial Organization, Springer, vol. 13(1), pages 131-151, April. [Downloadable!] (restricted)
  4. Chen, Zhiqi & Ross, Thomas W, 1993. "Refusals to Deal, Price Discrimination, and Independent Service Organizations," Journal of Economics & Management Strategy, Blackwell Publishing, vol. 2(4), pages 593-614, Winter.
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  5. Dennis W. Carlton & Michael Waldman, 2001. "Competition, Monopoly, and Aftermarkets," NBER Working Papers 8086, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  6. Igal Hendel & Alessandro Lizzeri, 1999. "Interfering with Secondary Markets," RAND Journal of Economics, The RAND Corporation, vol. 30(1), pages 1-21, Spring. [Downloadable!] (restricted)
  7. Athey, Susan & Schmutzler, Armin, 2001. "Investment and Market Dominance," RAND Journal of Economics, The RAND Corporation, vol. 32(1), pages 1-26, Spring.
  8. Gilbert, Richard J & Newbery, David M G, 1982. "Preemptive Patenting and the Persistence of Monopoly," American Economic Review, American Economic Association, vol. 72(3), pages 514-26, June. [Downloadable!] (restricted)
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