Innovation, Public Capital, and Growth
AbstractThis 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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Bibliographic InfoPaper provided by Economics, The Univeristy of Manchester in its series Centre for Growth and Business Cycle Research Discussion Paper Series with number 135.
Length: 55 pages
Date of creation: 2010
Date of revision:
This paper has been announced in the following NEP Reports:
- NEP-ALL-2010-03-13 (All new papers)
- NEP-DGE-2010-03-13 (Dynamic General Equilibrium)
- NEP-FDG-2010-03-13 (Financial Development & Growth)
- NEP-INO-2010-03-13 (Innovation)
- NEP-PBE-2010-03-13 (Public Economics)
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- Agenor, Pierre-Richard & Dinh, Hinh T., 2013. "Social capital, product imitation and growth with learning externalities," Policy Research Working Paper Series 6607, The World Bank.
- Agenor, Pierre-Richard & Dinh, Hinh T., 2013. "Public policy and industrial transformation in the process of development," Policy Research Working Paper Series 6405, The World Bank.
- Serena Masino, 2012. "Macroeconomic Instability and the Incentive to Innovate," Centre for Growth and Business Cycle Research Discussion Paper Series 167, Economics, The Univeristy of Manchester.
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