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Patents and quality growth in OLG economy

  • Sorek, Gilad

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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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
Contact details of provider: Web page: http://www.elsevier.com/locate/inca/622617

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  17. Hall, Robert E, 1988. "Intertemporal Substitution in Consumption," Journal of Political Economy, University of Chicago Press, vol. 96(2), pages 339-57, April.
  18. O'DONOGHUE, Ted & SCOTCHMER, Suzanne & THISSE, Jacques-François, . "Patent breadth, patent life, and the pace of technological progress," CORE Discussion Papers RP 1314, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
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