Optimal Sharing Strategies in Dynamic Games of Research and Development
AbstractThis paper analyses the dynamic aspects of knowledge sharing in R&D rivalry. In a model where research projects consist of N sequential stages, our goal is to explore how the innovators' incentives to share intermediate research outcomes change with progress and with their relative positions in an R&D race. We consider an uncertain research process, where progress implies a decrease in the level of uncertainty that a firm faces. We assume that firms are informed about the progress of their rivals and make joint sharing decisions either before or after each success. Changes in the firms' absolute and relative positions affect their incentives to stay in the race and the expected duration of monopoly profits if they finish the race first. We show that firms always prefer to have sharing between their independent research units if they are allowed to collude in the product market. However, competing firms may have either decreasing or increasing incentives to share intermediate research outcomes throughout the race. If the lagging firm never drops out, the incentives to share always decrease over time as the research project nears completion. The incentives to share are higher earlier on because sharing has a smaller impact on each firm's chance of being a monopolist at the end of the race. If the lagging firm is expected to drop out, the incentives to share may increase over time. We also use our framework to analyze the impact of patent policy on the sharing incentives of firms and show that as patent policy gets stronger, sharing incentives may decrease or increase depending on whether or not the lagging firm has increased incentives to drop out.
Download InfoIf you experience problems downloading a file, check if you have the proper application to view it first. In case of further problems read the IDEAS help page. Note that these files are not on the IDEAS site. Please be patient as the files may be large.
Bibliographic InfoPaper provided by Department of Justice, Antitrust Division in its series EAG Discussions Papers with number 200707.
Length: 42 pages
Date of creation: Apr 2007
Date of revision:
Other versions of this item:
- Nisvan Erkal & Deborah Minehart, 2008. "Optimal Sharing Strategies in Dynamic Games of Research and Development," Department of Economics - Working Papers Series 1038, The University of Melbourne.
- Nisvan Erkal & Deborah Minehart, 2008. "Optimal Sharing Strategies in Dynamic Games of Research and Development," EAG Discussions Papers 200806, Department of Justice, Antitrust Division.
- D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
- L24 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Contracting Out; Joint Ventures
- O31 - Economic Development, Technological Change, and Growth - - Technological Change; Research and Development; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
- O32 - Economic Development, Technological Change, and Growth - - Technological Change; Research and Development; Intellectual Property Rights - - - Management of Technological Innovation and R&D
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.:
- Reinganum, Jennifer F., 1981.
"Dynamic games of innovation,"
Journal of Economic Theory,
Elsevier, vol. 25(1), pages 21-41, August.
- Vonortas, Nicholas S., 1994. "Inter-firm cooperation with imperfectly appropriable research," International Journal of Industrial Organization, Elsevier, vol. 12(3), pages 413-435, September.
- Kenneth L. Judd, 2003.
"Closed-loop equilibrium in a multi-stage innovation race,"
Springer, vol. 21(2), pages 673-695, 03.
- Kenneth L. Judd, 1985. "Closed-Loop Equilibrium in a Multi-Stage Innovation Race," Discussion Papers 647, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
- Kamien, Morton I., 1992. "Patent licensing," Handbook of Game Theory with Economic Applications, in: R.J. Aumann & S. Hart (ed.), Handbook of Game Theory with Economic Applications, edition 1, volume 1, chapter 11, pages 331-354 Elsevier.
- Aghion, Philippe & Tirole, Jean, 1994.
"On the Management of Innovation,"
IDEI Working Papers
36, Institut d'Économie Industrielle (IDEI), Toulouse.
- Nancy T. Gallini, 1992. "Patent Policy and Costly Imitation," RAND Journal of Economics, The RAND Corporation, vol. 23(1), pages 52-63, Spring.
- D'ASPREMONT, Claude & BHATTACHARYA, Sudipto & GERARD-VARET, Louis-André, .
"Bargaining and sharing innovative knowledge,"
CORE Discussion Papers RP
-1465, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
- Aghion, Philippe & Tirole, Jean, 1994. "The Management of Innovation," The Quarterly Journal of Economics, MIT Press, vol. 109(4), pages 1185-1209, November.
- Kamien, Morton I & Muller, Eitan & Zang, Israel, 1992. "Research Joint Ventures and R&D Cartels," American Economic Review, American Economic Association, vol. 82(5), pages 1293-306, December.
- Choi, Jay Pil, 1993. "Cooperative R&D with product market competition," International Journal of Industrial Organization, Elsevier, vol. 11(4), pages 553-571.
- Dasgupta, Partha & Maskin, Eric, 1987. "The Simple Economics of Research Portfolios," Economic Journal, Royal Economic Society, vol. 97(387), pages 581-95, September.
- Katz, Michael L & Shapiro, Carl, 1986. "How to License Intangible Property," The Quarterly Journal of Economics, MIT Press, vol. 101(3), pages 567-89, August.
- Lee, Tom & Wilde, Louis L, 1980. "Market Structure and Innovation: A Reformulation," The Quarterly Journal of Economics, MIT Press, vol. 94(2), pages 429-36, March.
- Henry Wang, X., 2002. "Fee versus royalty licensing in a differentiated Cournot duopoly," Journal of Economics and Business, Elsevier, vol. 54(2), pages 253-266.
- d'Aspremont, Claude & Jacquemin, Alexis, 1988.
"Cooperative and Noncooperative R&D in Duopoly with Spillovers,"
American Economic Review,
American Economic Association, vol. 78(5), pages 1133-37, December.
- d'ASPREMONT, Claude & JACQUEMIN, Alexis, . "Cooperative and noncooperative R&D in duopoly with spillovers," CORE Discussion Papers RP -823, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
- James H. Cardon & Dan Sasaki, 1996.
"Pre-emptive Search and R&D Clustering,"
96-21, University of Copenhagen. Department of Economics.
- Aghion, Philippe & Tirole, Jean, 1994. "Opening the black box of innovation," European Economic Review, Elsevier, vol. 38(3-4), pages 701-710, April.
- Lerner, Josh & Merges, Robert P, 1998. "The Control of Technology Alliances: An Empirical Analysis of the Biotechnology Industry," Journal of Industrial Economics, Wiley Blackwell, vol. 46(2), pages 125-56, June.
- Luís M. B. Cabral, 2003. "R&D Competition when firms Choose Variance," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 12(1), pages 139-150, 03.
- Luis Cabral & David Salant, 2008. "Evolving Technologies and Standards Regulation," Working Papers 08-16, New York University, Leonard N. Stern School of Business, Department of Economics.
- Thomas D. Jeitschko & Nanyun Zhang, 2012.
"Adverse Effects of Patent Pooling on Product Development and Commercialization,"
EAG Discussions Papers
201205, Department of Justice, Antitrust Division.
- Jeitschko, Thomas D. & Zhang, Nanyun, 2013. "Adverse effects of patent pooling on product development and commercialization," DICE Discussion Papers 92, Heinrich‐Heine‐Universität Düsseldorf, Düsseldorf Institute for Competition Economics (DICE).
- Thomas Jeitschko & Nanyun Zhang, 2011. "Patent Pools and Product Development," Working Papers 2011-02, Towson University, Department of Economics, revised Feb 2011.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Tung Vu).
If references are entirely missing, you can add them using this form.