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Patents and quality growth in OLG economy

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  • Sorek, Gilad

Abstract

This paper shows how heterogeneity in patent ownership across generations and lifecycle saving considerations qualitatively change the conventional implications of patent policy for quality growth. We study a close Overlapping Generations economy that grows through sequential quality improvements (“quality-ladder”), to show that for plausible values of the Inter-temporal Elasticity of Substitution (a) shorter patent length enhances growth (b) under exogenous innovation size loosening patent breadth protection spurs R&D investment and quality growth and (c) the effect of loosening lagging breadth protection on R&D investment and quality growth under endogenous innovation size depends on patents length. Our findings explore a new channel through which strong patents may hinder innovation and emphasize the importance of coordination in patent-policy across the different dimensions of the patents system.

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Bibliographic Info

Article provided by Elsevier in its journal Journal of Macroeconomics.

Volume (Year): 33 (2011)
Issue (Month): 4 ()
Pages: 690-699

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Handle: RePEc:eee:jmacro:v:33:y:2011:i:4:p:690-699

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Web page: http://www.elsevier.com/locate/inca/622617

Related research

Keywords: Patents; Growth; OLG;

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References

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  1. Grossman, Gene M & Helpman, Elhanan, 1991. "Quality Ladders in the Theory of Growth," Review of Economic Studies, Wiley Blackwell, vol. 58(1), pages 43-61, January.
  2. Sala-i-martin, X. & Barro, R.J., 1995. "technological Diffusion, Convergence and Growth," Papers 735, Yale - Economic Growth Center.
  3. Ryo Horii & Tatsuro Iwaisako, 2005. "Economic Growth with Imperfect Protection of Intellectual Property Rights," Development and Comp Systems 0508001, EconWPA.
  4. Chu, Angus C. & Furukawa, Yuichi, 2011. "On the optimal mix of patent instruments," Journal of Economic Dynamics and Control, Elsevier, vol. 35(11), pages 1964-1975.
  5. Mukoyama, Toshihiko, 2003. "Innovation, imitation, and growth with cumulative technology," Journal of Monetary Economics, Elsevier, vol. 50(2), pages 361-380, March.
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  7. Robert E. Hall, 1988. "Intertemporal Substitution in Consumption," NBER Working Papers 0720, National Bureau of Economic Research, Inc.
  8. Elhanan Helpman, 1992. "Innovation, Imitation, and Intellectual Property Rights," NBER Working Papers 4081, National Bureau of Economic Research, Inc.
  9. Maggie Xiaoyang Chen & Murat Iyigun, 2010. "Patent Protecton and Strategic Delays in Technology Development: Implications for Econonmic Growth," Working Papers 2010-19, The George Washington University, Institute for International Economic Policy.
  10. Ted O'Donoghue & Suzanne Scotchmer & Jacques-François Thisse, 1998. "Patent Breadth, Patent Life, and the Pace of Technological Progress," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 7(1), pages 1-32, 03.
  11. Beaudry, Paul & van Wincoop, Eric, 1996. "The Intertemporal Elasticity of Substitution: An Exploration Using a US Panel of State Data," Economica, London School of Economics and Political Science, vol. 63(251), pages 495-512, August.
  12. Gary V. Engelhardt & Anil Kumar, 2008. "The elasticity of intertemporal substitution: new evidence from 401(k) participation," Working Papers 0812, Federal Reserve Bank of Dallas.
  13. Aghion, Philippe & Harris, Christopher & Vickers, John, 1997. "Competition and growth with step-by-step innovation: An example," European Economic Review, Elsevier, vol. 41(3-5), pages 771-782, April.
  14. Angus Chu, 2009. "Effects of blocking patents on R&D: a quantitative DGE analysis," Journal of Economic Growth, Springer, vol. 14(1), pages 55-78, March.
  15. Angus C. Chu & Shin-Kun Peng, 2009. "International Intellectual Property Rights: Effects on Growth, Welfare and Income Inequality," IEAS Working Paper : academic research 09-A006, Institute of Economics, Academia Sinica, Taipei, Taiwan.
  16. Furukawa, Yuichi, 2007. "The protection of intellectual property rights and endogenous growth: Is stronger always better?," Journal of Economic Dynamics and Control, Elsevier, vol. 31(11), pages 3644-3670, November.
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Cited by:
  1. Chu, Angus C. & Leung, Charles Ka Yui & TANG, C. H. Edward, 2012. "Intellectual property rights, technical progress and the volatility of economic growth," MPRA Paper 38132, University Library of Munich, Germany.

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