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Innovation, Public Capital, and Growth

  • Pierre-Richard Agénor
  • Kyriakos C. Neanidis

This paper studies interactions between innovation, public capital, and human capital in an OLG model of endogenous growth. Public capital affects growth through productivity, the diffusion rate of new technologies, innovation capacity, and human capital accumulation. Panel data regressions show that higher innovation performance promotes growth directly, whereas public capital (through quantity and quality effects) has both direct and indirect effects on growth by promoting human capital accumulation and raising innovation capacity. The direct growth effect operates in a nonlinear fashion, in line with "critical mass" models of infrastructure. Elasticity estimates derived from simultaneous equation techniques show that the general equilibrium effects of public capital on steady-state output per capita (which account for indirect effects though human capital and innovation) are significantly higher than those derived from single equation methods.

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File URL: http://www.socialsciences.manchester.ac.uk/medialibrary/cgbcr/discussionpapers/dpcgbcr135.pdf
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Paper provided by Economics, The Univeristy of Manchester in its series Centre for Growth and Business Cycle Research Discussion Paper Series with number 135.

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Length: 55 pages
Date of creation: 2010
Date of revision:
Handle: RePEc:man:cgbcrp:135
Contact details of provider: Postal: Manchester M13 9PL
Phone: (0)161 275 4868
Fax: (0)161 275 4812
Web page: http://www.socialsciences.manchester.ac.uk/subjects/economics/our-research/centre-for-growth-and-business-cycle-research/
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  1. Sequeira, Tiago Neves, 2011. "R&D Spillovers In An Endogenous Growth Model With Physical Capital, Human Capital, And Varieties," Macroeconomic Dynamics, Cambridge University Press, vol. 15(02), pages 223-239, April.
  2. Hung-ju Chen, 2003. "Educational Systems, Growth and Income Distribution: A Quantitative Study," Computing in Economics and Finance 2003 13, Society for Computational Economics.
  3. Balazs Egert & Tomasz Kozluk & Douglas Sutherland, 2009. "Infrastructure and Growth: Empirical Evidence," William Davidson Institute Working Papers Series wp957, William Davidson Institute at the University of Michigan.
  4. Gómez, Manuel A. & Sequeira, Tiago N., 2013. "Optimal R&D subsidies in a model with physical capital, human capital and varieties," Economic Modelling, Elsevier, vol. 30(C), pages 217-224.
  5. Derek Kellenberg, 2009. "US affiliates, infrastructure and growth: A simultaneous investigation of critical mass," The Journal of International Trade & Economic Development, Taylor & Francis Journals, vol. 18(3), pages 311-345.
  6. Hulya Ulku, 2007. "R&D, innovation and output: evidence from OECD and nonOECD countries," Applied Economics, Taylor & Francis Journals, vol. 39(3), pages 291-307.
  7. James H. Stock & Motohiro Yogo, 2002. "Testing for Weak Instruments in Linear IV Regression," NBER Technical Working Papers 0284, National Bureau of Economic Research, Inc.
  8. Iacopetta, Maurizio, 2010. "Phases of economic development and the transitional dynamics of an innovation-education growth model," European Economic Review, Elsevier, vol. 54(2), pages 317-330, February.
  9. Prodan, I., 2005. "Influence of Research and Development Expenditures on Number of Patent Aplications: Selected Case Studies in OECD countries and Central Europe, 1981-2001," Applied Econometrics and International Development, Euro-American Association of Economic Development, vol. 5(4).
  10. Shioji, Etsuro, 2001. " Public Capital and Economic Growth: A Convergence Approach," Journal of Economic Growth, Springer, vol. 6(3), pages 205-27, September.
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