Dynamic R&D Competition
We study a simple, two-stage, stochastic patent race involving two firms. We examine the behavior of the participants as they gain the lead or fall behind in the race. We find that the leader engages in R&D more intensively than does the follower, and that both firms intensify their efforts if the follower does catch up with the leader. We also analyze (1) the attractiveness of licensing, whereby the leader shares his results with the follower,(2) a policy of issuing patents for intermediate research results, and (3) the effects of research joint ventures, whereby the firms coordinate their initial research efforts and share their results.
|Date of creation:||Aug 1985|
|Publication status:||published as Grossman, Gene M. and Carl Shapiro. "Dynamic R&D Competition," Economic Journal, Vol. 97, No. 386, June 1987.|
|Contact details of provider:|| Postal: National Bureau of Economic Research, 1050 Massachusetts Avenue Cambridge, MA 02138, U.S.A.|
Web page: http://www.nber.org
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- Kenneth L. Judd, 2003.
"Closed-loop equilibrium in a multi-stage innovation race,"
Springer;Society for the Advancement of Economic Theory (SAET), 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.
- Reinganum, Jennifer F., 1981. "Dynamic games of innovation," Journal of Economic Theory, Elsevier, vol. 25(1), pages 21-41, August.
- Reinganum, Jennifer F., "undated". "Dynamic Games of Innovation," Working Papers 287, California Institute of Technology, Division of the Humanities and Social Sciences.
- Fudenberg, Drew & Gilbert, Richard & Stiglitz, Joseph & Tirole, Jean, 1983. "Preemption, leapfrogging and competition in patent races," European Economic Review, Elsevier, vol. 22(1), pages 3-31, June.
- Tom Lee & Louis L. Wilde, 1980. "Market Structure and Innovation: A Reformulation," The Quarterly Journal of Economics, Oxford University Press, vol. 94(2), pages 429-436.
- Shapiro, Carl, 1985. "Patent Licensing and R&D Rivalry," American Economic Review, American Economic Association, vol. 75(2), pages 25-30, May.
- Christopher Harris & John Vickers, 1985. "Perfect Equilibrium in a Model of a Race," Review of Economic Studies, Oxford University Press, vol. 52(2), pages 193-209. Full references (including those not matched with items on IDEAS)
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