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A Nonscale Growth Model with R&D and Human Capital Accumulation

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Author Info
Maria João Ribeiro Thompson () (Universidade do Minho)
Abstract

This paper presents an endogenous growth model that includes research and development and human capital accumulation. The model’s specification builds on the R&D-based structure of Romer’s [1990] model and introduces two functions: (1) A specification for the production of new designs that assumes no externalities and no inventions before time zero; and (2) A specification for the accumulation of human capital technically similar to that in Lucas [1988]. The model displays two main results. The first is that it eliminates the scale-effects prediction which is common to most R&D-based growth models, but which is not empirically supported. Secondly, the model offers a new prediction that growth depends positively on the ratio of final-good workers to researchers. Thus the model provides a theoretical explanation as to why developed countries have had rising numbers of researchers but not rising growth rates in the twentieth century.

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Paper provided by NIPE - Universidade do Minho in its series NIPE Working Papers with number 5/2003.

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Date of creation: 2003
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Handle: RePEc:nip:nipewp:5/2003

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Postal: Núcleo de Investigação em Políticas Económicas, Escola de Economia e Gestão, Universidade do Minho, P-4710-057 Braga, Portugal
Phone: +351-253604510 ext 5532
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Web page: http://www3.eeg.uminho.pt/economia/nipe/versao_inglesa/index_uk.htm
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Related research
Keywords: endogenous growth research and development human capital accumulation scale-effects prediction final-good workers to researchers ratio.

Find related papers by JEL classification:
O0 - Economic Development, Technological Change, and Growth - - General
O3 - Economic Development, Technological Change, and Growth - - Technological Change
O4 - Economic Development, Technological Change, and Growth - - Economic Growth and Aggregate Productivity
D5 - Microeconomics - - General Equilibrium and Disequilibrium

This paper has been announced in the following NEP Reports:

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. Samuel S. Kortum, 1997. "Research, Patenting, and Technological Change," Econometrica, Econometric Society, vol. 65(6), pages 1389-1420, November.
  2. Segerstrom, Paul S, 1998. "Endogenous Growth without Scale Effects," American Economic Review, American Economic Association, vol. 88(5), pages 1290-1310, December. [Downloadable!] (restricted)
  3. Jones, Charles I, 1995. "R&D-Based Models of Economic Growth," Journal of Political Economy, University of Chicago Press, vol. 103(4), pages 759-84, August. [Downloadable!] (restricted)
  4. Jonathan Temple, 1999. "The New Growth Evidence," Journal of Economic Literature, American Economic Association, vol. 37(1), pages 112-156, March. [Downloadable!] (restricted)
  5. Mills, Terence C & Crafts, N F R, 2000. "After the Golden Age: A Long-Run Perspective on Growth Rates That Speeded Up, Slowed Down and Still Differ," Manchester School, University of Manchester, vol. 68(1), pages 68-91, January. [Downloadable!] (restricted)
  6. Blackburn, Keith & Hung, Victor T. Y. & Pozzolo, Alberto F., 2000. "Research, Development and Human Capital Accumulation," Journal of Macroeconomics, Elsevier, vol. 22(2), pages 189-206, April. [Downloadable!] (restricted)
  7. Helpman, Elhanan, 1992. "Endogenous macroeconomic growth theory," European Economic Review, Elsevier, vol. 36(2-3), pages 237-267, April. [Downloadable!] (restricted)
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  8. Charles I. Jones, 1999. "Growth: With or Without Scale Effects?," American Economic Review, American Economic Association, vol. 89(2), pages 139-144, May. [Downloadable!] (restricted)
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  9. Alwyn Young, 1998. "Growth without Scale Effects," Journal of Political Economy, University of Chicago Press, vol. 106(1), pages 41-63, February. [Downloadable!] (restricted)
  10. Richard N. Langlois, 2000. "Knowledge, Consumption, and Endogenous Growth," Working papers 2000-02, University of Connecticut, Department of Economics. [Downloadable!]
  11. Aghion, Philippe & Howitt, Peter, 1992. "A Model of Growth through Creative Destruction," Econometrica, Econometric Society, vol. 60(2), pages 323-51, March. [Downloadable!] (restricted)
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  12. Romer, Paul M, 1987. "Growth Based on Increasing Returns Due to Specialization," American Economic Review, American Economic Association, vol. 77(2), pages 56-62, May. [Downloadable!] (restricted)
  13. Arnold, Lutz G., 2000. "Stability of the Market Equilibrium in Romer's Model of Endogenous Technological Change: A Complete Characterization," Journal of Macroeconomics, Elsevier, vol. 22(1), pages 69-84, January. [Downloadable!] (restricted)
  14. Romer, Paul M, 1990. "Endogenous Technological Change," Journal of Political Economy, University of Chicago Press, vol. 98(5), pages S71-102, October. [Downloadable!] (restricted)
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  15. Rivera-Batiz, Luis A & Romer, Paul M, 1991. "Economic Integration and Endogenous Growth," The Quarterly Journal of Economics, MIT Press, vol. 106(2), pages 531-55, May. [Downloadable!] (restricted)
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  16. Lucas, Robert Jr., 1988. "On the mechanics of economic development," Journal of Monetary Economics, Elsevier, vol. 22(1), pages 3-42, July. [Downloadable!] (restricted)
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