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Endogenous Growth: A Sequential Stochastic Search Model for New Technology

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  • Nguyen Van Quyen

    ()
    (Department of Economics, University of Ottawa)

  • M. H. Zahedi Vafa

    ()
    (Department of Economics, University of Ottawa)

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    Abstract

    Endogenous growth theories developed initially along two broad trends: one emphasizes knowledge and dynamics, with explicit modeling of knowledge accumulation; the other takes a broader view of capital and encompasses human capital in its definition. The scale effect critique initiated another trend that looks deeper inside the black box of technological change and its interactions with capital accumulation. This paper follows the last trend and builds upon the sequential search model of Bental and Peled (1996). Considering the uncertainty inherent in any search process, the model presents a dynamic stochastic system in which new technology and capital accumulation are bounded complements they complement each other to a point, but beyond this the impact of each factor is constrained by the level of the other. As a result, both technological progress and capital accumulation are necessary for sustained growth, but neither on its own is sufficient. Technological advancement stimulates capital accumulation by raising the marginal product of capital. Rapid capital accumulation stimulates R&D investments by raising the expected profitability of innovation. This paper discusses different possible regimes that an economy may find itself in as a result of the interactions between capital accumulation and technological innovations and has important implication for growth-promoting policies, knowledge spillover, and international flow of capital.

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    File URL: http://www.socialsciences.uottawa.ca/eco/pdf/cahiers/0702E-old.pdf
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    Bibliographic Info

    Paper provided by University of Ottawa, Department of Economics in its series Working Papers with number 0104E.

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    Length: 42 pages
    Date of creation: 2001
    Date of revision:
    Handle: RePEc:ott:wpaper:0104e

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    Related research

    Keywords: Endogenous Growth; Search Theory; Innovation; Technology;

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    References

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    1. Poyago-Theotoky, Joanna, 1998. "R&D Competition in a Mixed Duopoly under Uncertainty and Easy Imitation," Journal of Comparative Economics, Elsevier, vol. 26(3), pages 415-428, September.
    2. Minoru Kitahara & Toshihiro Matsumura, 2006. "Realized Cost-Based Subsidies For Strategic R&D Investments With "Ex Ante" And "Ex Post" Asymmetries," The Japanese Economic Review, Japanese Economic Association, vol. 57(3), pages 438-448.
    3. Klette, T.J. & Moen, J. & Griliches, Z., 1999. "Do Subsidies to Commercial R&D Reduce Market Failures? Microeconometric Evaluation Studies," Papers 16/99, Norwegian School of Economics and Business Administration-.
    4. Ekholm, Karolina & Torstensson, Johan, 1996. "High-Technology Subsidies in General Equilibrium: A Sector-Specific Approach," Working Paper Series 467, Research Institute of Industrial Economics.
    5. Isabel Busom, 2000. "An Empirical Evaluation of The Effects of R&D Subsidies," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 9(2), pages 111-148.
    6. Stephen Martin & John T. Scott, 1999. "The Nature of Innovation Market Failure and the Design of Public Support for Private Innovation," CIE Discussion Papers 1999-02, University of Copenhagen. Department of Economics. Centre for Industrial Economics.
    7. Lakdawalla, Darius & Sood, Neeraj, 2004. "Social insurance and the design of innovation incentives," Economics Letters, Elsevier, vol. 85(1), pages 57-61, October.
    8. Miyagiwa, Kaz & Ohno, Yuka, 2002. "Uncertainty, spillovers, and cooperative R&D," International Journal of Industrial Organization, Elsevier, vol. 20(6), pages 855-876, June.
    9. Petrakis, Emmanuel & Poyago-Theotoky, Joanna, 2002. "R&D Subsidies versus R&D Cooperation in a Duopoly with Spillovers and Pollution," Australian Economic Papers, Wiley Blackwell, vol. 41(1), pages 37-52, March.
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