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Optimal R&D investments of the firm

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  • Kort, P.M.

    (Tilburg University, School of Economics and Management)

Abstract

This paper examines irreversible decisions on innovative activities where it takes time to complete an R&D project. The totala mountof R&D investments that the firm needs to undertake in order to obtain the breakthrough in the innovation process is uncertain. R&D investments are limited by the restriction that they must be self-financed. It is shown that R&D investmentsar e morev aluable when the level of uncertainty is large. Especially, it is very attractive to undertake R&D investments if a project faces many uncertainties during its ea rly phases. Furthermore we study how R&D behavior is inuenced by different levels of the discount rate and the financing limit. Moreover, the effects of R&D subsidies, spillover benefirts and a payoff that decreases over time are analyzed.
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Suggested Citation

  • Kort, P.M., 1998. "Optimal R&D investments of the firm," Other publications TiSEM 4c141a6d-1dad-4481-a127-4, Tilburg University, School of Economics and Management.
    • Handle: RePEc:tiu:tiutis:4c141a6d-1dad-4481-a127-4d903a4e762b
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    References listed on IDEAS

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    1. Jean Tirole, 1988. "The Theory of Industrial Organization," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262200716, April.
    2. Jennifer F. Reinganum, 1985. "Innovation and Industry Evolution," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 100(1), pages 81-99.
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    9. Giovanni Dosi, 2000. "Sources, Procedures, and Microeconomic Effects of Innovation," Chapters, in: Innovation, Organization and Economic Dynamics, chapter 2, pages 63-114, Edward Elgar Publishing.
    10. Grossman, Gene M & Helpman, Elhanan, 1990. "Trade, Innovation, and Growth," American Economic Review, American Economic Association, vol. 80(2), pages 86-91, May.
    11. Reinganum, Jennifer F, 1982. "A Dynamic Game of R and D: Patent Protection and Competitive Behavior," Econometrica, Econometric Society, vol. 50(3), pages 671-688, May.
    12. Kamien,Morton I. & Schwartz,Nancy L., 1982. "Market Structure and Innovation," Cambridge Books, Cambridge University Press, number 9780521293853, December.
    13. Geroski, P A, 1992. "Vertical Relations between Firms and Industrial Policy," Economic Journal, Royal Economic Society, vol. 102(410), pages 138-147, January.
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    Cited by:

    1. Navas, Jorge & Kort, Peter M., 2007. "Time to complete and research joint ventures: A differential game approach," Journal of Economic Dynamics and Control, Elsevier, vol. 31(5), pages 1672-1696, May.
    2. Lukach, R. & Kort, P.M. & Plasmans, J., 2007. "Optimal R&D investment strategies under the threat of new technology entry," International Journal of Industrial Organization, Elsevier, vol. 25(1), pages 103-119, February.
    3. Ruslan Lukach & Peter M. Kort & Joseph Plasmans, 2005. "Optimal R&D Investment Strategies with Quantity Competition under the Threat of Superior Entry," CESifo Working Paper Series 1385, CESifo.
    4. Whalley, A. Elizabeth, 2011. "Optimal R&D investment for a risk-averse entrepreneur," Journal of Economic Dynamics and Control, Elsevier, vol. 35(4), pages 413-429, April.

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