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Are International R&D Spillovers Trade-Related? Analyzing Spillovers Among Randomly Matched Trade Partners

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  • Wolfgang Keller

Abstract

In this paper, I analyze recent findings by Coe and Helpman (1995) on trade-related international R&D spillovers. A Monte Carlo based robustness test is proposed which compares the elasticity of domestic productivity with respect to foreign R&D estimated by Coe and Helpman with an elasticity which is based on counterfactual international trade patterns. I show that also these randomly created trade patterns give rise to positive international R&D spillover estimates, which are larger and explain more of the variation in productivity across countries than if true' bilateral trade patterns are employed. The finding casts doubt on the claim that patterns of international trade are important in driving R&D spillovers.

Suggested Citation

  • Wolfgang Keller, 1997. "Are International R&D Spillovers Trade-Related? Analyzing Spillovers Among Randomly Matched Trade Partners," NBER Working Papers 6065, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:6065
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    References listed on IDEAS

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    1. Keller, W., 1997. "Trade Patterns, Technology Flows, and Productivity Growth," Working papers 9701, Wisconsin Madison - Social Systems.
    2. Aghion, Philippe & Howitt, Peter, 1992. "A Model of Growth through Creative Destruction," Econometrica, Econometric Society, vol. 60(2), pages 323-351, March.
    3. Coe, David T. & Helpman, Elhanan, 1995. "International R&D spillovers," European Economic Review, Elsevier, vol. 39(5), pages 859-887, May.
    4. Keller, Wolfgang, 2002. "Trade and the Transmission of Technology," Journal of Economic Growth, Springer, vol. 7(1), pages 5-24, March.
    5. Nadiri, M.I., 1993. "Innovations and Technological Spillovers," Working Papers 93-31, C.V. Starr Center for Applied Economics, New York University.
    6. Ben-David, Dan, 1996. "Trade and convergence among countries," Journal of International Economics, Elsevier, vol. 40(3-4), pages 279-298, May.
    7. Romer, Paul M, 1990. "Endogenous Technological Change," Journal of Political Economy, University of Chicago Press, vol. 98(5), pages 71-102, October.
    8. M. Ishaq Nadiri, 1993. "Innovations and Technological Spillovers," NBER Working Papers 4423, National Bureau of Economic Research, Inc.
    9. Zvi Griliches, 1998. "Issues in Assessing the Contribution of Research and Development to Productivity Growth," NBER Chapters,in: R&D and Productivity: The Econometric Evidence, pages 17-45 National Bureau of Economic Research, Inc.
    10. Simon J. Evenett & Wolfgang Keller, 2002. "On Theories Explaining the Success of the Gravity Equation," Journal of Political Economy, University of Chicago Press, vol. 110(2), pages 281-316, April.
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    More about this item

    JEL classification:

    • F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies; Fragmentation
    • F2 - International Economics - - International Factor Movements and International Business

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