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Technological Diffusion, Convergence, and Growth

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Robert J. Barro
Xavier Sala-i-Martin

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Abstract

We construct a model that combines elements of endogenous growth with the convergence implications of the neoclassical growth model. In the long run, the world growth rate is driven by discoveries in the technologically leading economies. Followers converge toward the leaders because copying is cheaper than innovation over some range. A tendency for copying costs to increase reduces followers' growth rate and thereby generates a pattern of conditional convergence. We discuss how countries are selected to be technological leaders, and we assess welfare implications. Poorly defined intellectual property rights imply that leaders have insufficient incentive to invent and followers have excessive incentive to copy.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 5151.

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Date of creation: Jun 1995
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Handle: RePEc:nbr:nberwo:5151

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  1. Luis A. Rivera-Batiz & Paul M. Romer, 1990. "Economic Integration and Endogenous Growth," NBER Working Papers 3528, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  2. Spence, Michael, 1976. "Product Selection, Fixed Costs, and Monopolistic Competition," Review of Economic Studies, Blackwell Publishing, vol. 43(2), pages 217-35, June. [Downloadable!] (restricted)
  3. Romer, Paul, 1993. "Idea gaps and object gaps in economic development," Journal of Monetary Economics, Elsevier, vol. 32(3), pages 543-573, December. [Downloadable!] (restricted)
  4. Philippe Aghion & Peter Howitt, 1990. "A Model of Growth Through Creative Destruction," NBER Working Papers 3223, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  5. Tjalling C. Koopmans, 1963. "On the Concept of Optimal Economic Growth," Cowles Foundation Discussion Papers 163, Cowles Foundation, Yale University. [Downloadable!]
  6. Caballe, Jordi & Santos, Manuel S, 1993. "On Endogenous Growth with Physical and Human Capital," Journal of Political Economy, University of Chicago Press, vol. 101(6), pages 1042-67, December. [Downloadable!] (restricted)
  7. 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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  8. Gary S. Murphy Becker & Kevin M., 1992. "The Division of Labor, Coordination Costs, and Knowledge," University of Chicago - George G. Stigler Center for Study of Economy and State 79, Chicago - Center for Study of Economy and State.
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  9. Brezis, Elise S & Krugman, Paul R & Tsiddon, Daniel, 1993. "Leapfrogging in International Competition: A Theory of Cycles in National Technological Leadership," American Economic Review, American Economic Association, vol. 83(5), pages 1211-19, December. [Downloadable!] (restricted)
  10. Alberto Alesina & Enrico Spolaore, 1995. "On the Number and Size of Nations," NBER Working Papers 5050, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  11. Dixit, Avinash K & Stiglitz, Joseph E, 1977. "Monopolistic Competition and Optimum Product Diversity," American Economic Review, American Economic Association, vol. 67(3), pages 297-308, June. [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)
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