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Intellectual Property Rights Protection and Enforcement in a Software Duopoly

  • Jiri Strelicky
  • Kresimir Zigic

We study the economic impacts of the interaction between a regulator's Intellectual Property Rights (IPR) protection policy against software piracy on the one side and the forms of IPR protection that software producers may themselves undertake to protect their intellectual property on the other side. Two developers, each offering a variety of different quality, compete for heterogeneous users who choose among purchasing a legal version, using an illegal copy, and not using a product at all. Using an illegal version violates IPR and is thus punishable when disclosed. If a developer considers the level of piracy as high, he can either introduce a form of physical protection for his product or introduce a protection in the form of restricting support and other services to illegal users. The quality of each developer's product is exogenously given, and the developers compete in prices. We examine the above issues within the framework of Bertrand and Stackelberg competition while the monopoly set-up serves as a point of reference.

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Paper provided by The Center for Economic Research and Graduate Education - Economic Institute, Prague in its series CERGE-EI Working Papers with number wp435.

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Date of creation: Mar 2011
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Handle: RePEc:cer:papers:wp435
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  1. Carl Shapiro, 2003. "Antitrust Limits to Patent Settlements," Law and Economics 0303004, EconWPA.
  2. BELLEFLAMME, Paul & PICARD, Pierre, 2005. "Piracy and competition," CORE Discussion Papers 2005083, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  3. Quelin, Bertrand V, et al, 2001. " Standardisation of Network Technologies: Market Processes or the Result of Inter-firm Co-operation?," Journal of Economic Surveys, Wiley Blackwell, vol. 15(4), pages 543-69, September.
  4. Takeyama, Lisa N., 2009. "Copyright enforcement and product quality signaling in markets for computer software," Information Economics and Policy, Elsevier, vol. 21(4), pages 291-296, November.
  5. Michael Kunin & Kresimir Zigic, 2004. "Strategic Trade Policy and Vertical Product Differentiation: intra-industry trade between developed and developing countries," CERGE-EI Working Papers wp230, The Center for Economic Research and Graduate Education - Economic Institute, Prague.
  6. Sanjay Jain, 2008. "Digital Piracy: A Competitive Analysis," Marketing Science, INFORMS, vol. 27(4), pages 610-626, 07-08.
  7. Minniti, Antonio & Vergari, Cecilia, 2010. "Turning Piracy into Profits: a Theoretical Investigation," Information Economics and Policy, Elsevier, vol. 22(4), pages 379-390, December.
  8. Jean Tirole, 1988. "The Theory of Industrial Organization," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262200716, June.
  9. Banerjee, Dyuti S., 2003. "Software piracy: a strategic analysis and policy instruments," International Journal of Industrial Organization, Elsevier, vol. 21(1), pages 97-127, January.
  10. King, Stephen P. & Lampe, Ryan, 2003. "Network externalities, price discrimination and profitable piracy," Information Economics and Policy, Elsevier, vol. 15(3), pages 271-290, September.
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