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R&D, Investment, and Industry Dynamics

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Author Info
Saul Lach
Rafael Rob

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Abstract

We present a model of industry evolution where the dynamics are driven by a process of endogenous innovations followed by subsequent embodiments in physical capital. Traditionally, the only distinction between R&D and physical investment was one of labeling: the first process accumulates an intangible stock, knowledge, while the second accumulates physical capital. Both stocks affect output in a symmetric fashion. We argue that the story is not that simple, and that there is more to it than differences in the object of accumulation. Our model stresses the causal relationship between past R&D expenditures and current investments in machinery and equipment. This causality pattern, which is supported by the data, also explains the observed higher volatility of physical investment relative to that of R&D expenditures. Copyright 1996 The Massachusetts Institute of Technology.

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Article provided by Blackwell Publishing in its journal Journal of Economics & Management Strategy.

Volume (Year): 5 (1996)
Issue (Month): 2 (06)
Pages: 217-249
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Handle: RePEc:bla:jemstr:v:5:y:1996:i:2:p:217-249

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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. Kenneth Arrow, 1962. "Economic Welfare and the Allocation of Resources for Invention," NBER Chapters, in: The Rate and Direction of Inventive Activity: Economic and Social Factors, pages 609-626 National Bureau of Economic Research, Inc. [Downloadable!]
  2. Loury, Glenn C, 1979. "Market Structure and Innovation," The Quarterly Journal of Economics, MIT Press, vol. 93(3), pages 395-410, August. [Downloadable!] (restricted)
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  3. Reinganum, Jennifer F, 1983. "Uncertain Innovation and the Persistence of Monopoly," American Economic Review, American Economic Association, vol. 73(4), pages 741-48, September. [Downloadable!] (restricted)
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  4. Philippe Aghion & Peter Howitt, 1990. "A Model of Growth Through Creative Destruction," NBER Working Papers 3223, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  5. Gort, Michael & Klepper, Steven, 1982. "Time Paths in the Diffusion of Product Innovations," Economic Journal, Royal Economic Society, vol. 92(367), pages 630-53, September. [Downloadable!] (restricted)
  6. Roger H. Gordon & Mark Schankerman & Richard H. Spady, 1987. "Estimating the Effects of R&D on Bell System Productivity: A Model of Embodied Technical Change," NBER Working Papers 1607, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  7. Richard Ericson & Ariel Pakes, 1992. "An Alternative Theory of Firm and Industry Dynamics," Cowles Foundation Discussion Papers 1041, Cowles Foundation, Yale University. [Downloadable!]
  8. Ernst R. Berndt & Zvi Griliches, 1990. "Price Indexes for Microcomputers: An Exploratory Study," NBER Working Papers 3378, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  9. Harris, Christopher & Vickers, John, 1985. "Perfect Equilibrium in a Model of a Race," Review of Economic Studies, Blackwell Publishing, vol. 52(2), pages 193-209, April. [Downloadable!] (restricted)
  10. Gilbert, Richard J & Newbery, David M G, 1982. "Preemptive Patenting and the Persistence of Monopoly," American Economic Review, American Economic Association, vol. 72(3), pages 514-26, June. [Downloadable!] (restricted)
  11. Bronwyn Hall & Fumio Hayashi, 1989. "Research and Development As An Investment," NBER Working Papers 2973, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  12. Reinganum, Jennifer F, 1984. "Practical Implications of Game Theoretic Models of R&D," American Economic Review, American Economic Association, vol. 74(2), pages 61-66, May. [Downloadable!] (restricted)
  13. Dixit, Avinash, 1980. "The Role of Investment in Entry-Deterrence," Economic Journal, Royal Economic Society, vol. 90(357), pages 95-106, March. [Downloadable!] (restricted)
    Other versions:
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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. Douglas W Dwyer, 1995. "Technology Locks, Creative Destruction And Non-Convergence In Productivity Levels," Working Papers 95-6, Center for Economic Studies, U.S. Census Bureau. [Downloadable!]
  2. Emmanuel Petrakis & Santanu Roy, 1998. "Cost Reducing Investment, Competition and Industry Dynamics," Tinbergen Institute Discussion Papers 98-011/1, Tinbergen Institute. [Downloadable!]
    Other versions:
  3. Robert M. Hunt, 2002. "Patentability, industry structure, and innovation," Working Papers 01-13, Federal Reserve Bank of Philadelphia. [Downloadable!]
    Other versions:
  4. Lilia Maliar & Serguei Maliar, 2003. "Endogenous Growth And Endogenous Business Cycles," Working Papers. Serie AD 2003-14, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie). [Downloadable!]
    Other versions:
  5. Manohar Singh & Sheri Faircloth, 2005. "The impact of corporate debt on long term investment and firm performance," Applied Economics, Taylor and Francis Journals, vol. 37(8), pages 875-883, May. [Downloadable!] (restricted)
  6. Pindyck, Robert S. & Solimano, Andres, 1993. "Economic instability and aggregate investment," Policy Research Working Paper Series 1148, The World Bank. [Downloadable!]
    Other versions:
  7. Santanu Roy & Takashi Kamihigashi, 2004. "Investment, Externalities & Industry Dynamics," Econometric Society 2004 North American Summer Meetings 144, Econometric Society. [Downloadable!]
  8. Alain Hersovici, 2005. "O modelo de instabilidade de Harrod: uma abordagem em termos de não linearidade," Working Papers 0020, Universidade Federal do Paraná, Department of Economics. [Downloadable!]
  9. Robert M. Hunt, 1999. "Nonobviousness and the incentive to innovate: an economic analysis of intellectual property reform," Working Papers 99-3, Federal Reserve Bank of Philadelphia. [Downloadable!]
  10. John Shea, 1998. "What Do Technology Shocks Do?," NBER Working Papers 6632, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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