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Complementarities and network externalities in casually copied goods

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Author Info
David Blackburn ()

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Abstract

In this paper, we examine the impacts of casual copying in the market for goods that have strong network externalities and/or are strong complements with goods in another market. By allowing casual copying to occur, the monopolist triggers two effects. The "copying effect" reduces demand (and thus profits) due the introduction of a better outside alternative to consumers. However, a "network augmenting" effect works to increase demand through the larger size of a network that allows copying. We find that if the marginal network externality is large enough, the monopolist will find it profitable to allow some level of casual copying to occur among non-purchasers of the good. And in a simplified dynamic setting, we find that as time passes and the good’s network becomes more mature, the monopolist will seek higher and higher levels of copy protection. This implies that firms in newly formed markets should be more willing to allow copying to occur than those in established markets.

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Publisher Info
Article provided by University of Chile, Department of Economics in its journal Estudios de Economia.

Volume (Year): 29 (2002)
Issue (Month): 1 Year 2002 (June)
Pages: 71-88
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Handle: RePEc:udc:esteco:v:29:y:2002:i:1:p:71-88

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Related research
Keywords: Copy protection; network externalities; indirect network effects; copying; complementarities.;

Find related papers by JEL classification:
D42 - Microeconomics - - Market Structure and Pricing - - - Monopoly
L12 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Monopoly; Monopolization Strategies
D45 - Microeconomics - - Market Structure and Pricing - - - Rationing; Licensing
C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games

References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:

  1. Bakos, Yannis & Brynjolfsson, Erik & Lichtman, Douglas, 1999. "Shared Information Goods," Journal of Law & Economics, University of Chicago Press, vol. 42(1), pages 117-55, April.
  2. Takeyama, Lisa N, 1997. "The Intertemporal Consequences of Unauthorized Reproduction of Intellectual Property," Journal of Law & Economics, University of Chicago Press, vol. 40(2), pages 511-22, October.
  3. Takeyama, Lisa N, 1994. "The Welfare Implications of Unauthorized Reproduction of Intellectual Property in the Presence of Demand Network Externalities," Journal of Industrial Economics, Blackwell Publishing, vol. 42(2), pages 155-66, June. [Downloadable!] (restricted)
  4. Liebowitz, S J, 1985. "Copying and Indirect Appropriability: Photocopying of Journals," Journal of Political Economy, University of Chicago Press, vol. 93(5), pages 945-57, October. [Downloadable!] (restricted)
  5. Andrea Shepard, 1987. "Licensing to Enhance Demand for New Technologies," RAND Journal of Economics, The RAND Corporation, vol. 18(3), pages 360-368, Autumn. [Downloadable!] (restricted)
  6. Nicholas Economides, 1997. "Network Externalities, Complementarities, and Invitations to Enter," Industrial Organization 9701004, EconWPA. [Downloadable!]
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  7. Besen, Stanley M & Kirby, Sheila Nataraj, 1989. "Private Copying, Appropriability, and Optimal Copying Royalties," Journal of Law & Economics, University of Chicago Press, vol. 32(2), pages 255-80, October.
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Ricard Gil, 2006. "The Economics of IPR Protection Policies," Review of Network Economics, Concept Economics, vol. 5(3), pages 299-319, September. [Downloadable!]
    Other versions:
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