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International R&D spillovers and unobserved common shocks

  • Diego-Ivan Ruge-Leiva

This paper investigates the effects of the domestic and foreign R&D weighted by bilateral imports on productivity accounting for the heterogeneous impact of unobserved micro and macroeconomic common shocks, which are modeled in a multifactor error structure. Using a panel of 50 economies from 1970-2011, I find that when unobserved common shocks are not regarded, as has been done by the literature in this area, estimates of domestic R&D and foreign R&D might be biased and inconsistent. Once unobserved common shocks are accounted for, by allowing for heterogeneous technology coefficients, significant estimates become more sizable, consistent and not seriously biased in most cases. However, these estimates might be capturing not only returns to domestic R&D and trade-related knowledge spillovers, but also unobserved common spillovers and other effects. This indicates that knowledge spillovers and effects of unknown form cannot be easily separated. Therefore, unobserved common shocks should be considered when estimating returns to domestic R&D and international R&D spillovers.

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File URL: http://www3.uah.es/iaes/publicaciones/DT_08_14.pdf
File Function: First version, 2014
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Paper provided by Instituto Universitario de Análisis Económico y Social in its series Working Papers with number 08/14.

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Length: 74 pages
Date of creation: Jul 2014
Date of revision:
Handle: RePEc:uae:wpaper:0814
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  1. Pesaran, M.H., 2004. "‘General Diagnostic Tests for Cross Section Dependence in Panels’," Cambridge Working Papers in Economics 0435, Faculty of Economics, University of Cambridge.
  2. Markus Eberhardt & Christian Helmers & Hubert Strauss, 2013. "Do Spillovers Matter When Estimating Private Returns to R&D?," The Review of Economics and Statistics, MIT Press, vol. 95(2), pages 436-448, May.
  3. Pesaran, M. Hashem & Smith, Ron, 1995. "Estimating long-run relationships from dynamic heterogeneous panels," Journal of Econometrics, Elsevier, vol. 68(1), pages 79-113, July.
  4. Pesaran, M. Hashem & Tosetti, Elisa, 2011. "Large panels with common factors and spatial correlation," Journal of Econometrics, Elsevier, vol. 161(2), pages 182-202, April.
  5. Pesaran, M.H. & Smit, L.V. & Yamagata, T., 2007. "Panel Unit Root Tests in the Presence of a Multifactor Error Structure," Cambridge Working Papers in Economics 0775, Faculty of Economics, University of Cambridge.
  6. Nick Bloom & John Van Reenen & Stephen Bond, 2006. "Uncertainty and Investment Dynamics," NBER Working Papers 12383, National Bureau of Economic Research, Inc.
  7. Alexander Chudik & M. Hashem Pesaran, 2013. "Common correlated effects estimation of heterogeneous dynamic panel data models with weakly exogenous regressors," Globalization and Monetary Policy Institute Working Paper 146, Federal Reserve Bank of Dallas.
  8. M. Hashem Pesaran, 2006. "Estimation and Inference in Large Heterogeneous Panels with a Multifactor Error Structure," Econometrica, Econometric Society, vol. 74(4), pages 967-1012, 07.
  9. Chudik, Alexander & Mohaddes, Kamiar & Pesaran, M. Hashem & Raissi, Mehdi, 2013. "Debt, inflation and growth robust estimation of long-run effects in dynamic panel data models," Globalization and Monetary Policy Institute Working Paper 162, Federal Reserve Bank of Dallas.
  10. Pesaran, M.H., 2003. "A Simple Panel Unit Root Test in the Presence of Cross Section Dependence," Cambridge Working Papers in Economics 0346, Faculty of Economics, University of Cambridge.
  11. Zvi Griliches, 1979. "Issues in Assessing the Contribution of Research and Development to Productivity Growth," Bell Journal of Economics, The RAND Corporation, vol. 10(1), pages 92-116, Spring.
  12. Markus Eberhardt, 2012. "Estimating panel time-series models with heterogeneous slopes," Stata Journal, StataCorp LP, vol. 12(1), pages 61-71, March.
  13. Francesco Moscone & Elisa Tosetti, 2009. "A Review And Comparison Of Tests Of Cross-Section Independence In Panels," Journal of Economic Surveys, Wiley Blackwell, vol. 23(3), pages 528-561, 07.
  14. Alexander Chudik & M. Hashem Pesaran & Elisa Tosetti, 2011. "Weak and strong cross‐section dependence and estimation of large panels," Econometrics Journal, Royal Economic Society, vol. 14, pages C45-C90, 02.
  15. repec:hal:journl:peer-00796743 is not listed on IDEAS
  16. Natalia Bailey & Sean Holly & M. Hashem Pesaran, 2014. "A Two Stage Approach to Spatiotemporal Analysis with Strong and Weak Cross-Sectional Dependence," CESifo Working Paper Series 4592, CESifo Group Munich.
  17. Georges Bresson & Badi H. Baltagi & Alain Pirotte, 2007. "Panel unit root tests and spatial dependence," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 22(2), pages 339-360.
  18. Dominique Guellec & Bruno Van Pottelsberghe de la Potterie, 2004. "From R&D to Productivity Growth: Do the Institutional Settings and the Source of Funds of R&D Matter?," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 66(3), pages 353-378, 07.
  19. Wolfgang Keller, 1996. "Are International R&D Spillovers Trade-related? Analyzing Spillovers among Randomly Matched Trade Partners," International Trade 9608002, EconWPA.
  20. Donald W. K. Andrews, 2005. "Cross-Section Regression with Common Shocks," Econometrica, Econometric Society, vol. 73(5), pages 1551-1585, 09.
  21. Mark Funk, 2001. "Trade and International R&D Spillovers among OECD Countries," Southern Economic Journal, Southern Economic Association, vol. 67(3), pages 725-736, January.
  22. Alexander Chudik & M. Hashem Pesaran, 2013. "Large panel data models with cross-sectional dependence: a survey," Globalization and Monetary Policy Institute Working Paper 153, Federal Reserve Bank of Dallas.
  23. Kul B. Luintel & Mosahid Khan, 2004. "Are International R&D Spillovers Costly for the United States?," The Review of Economics and Statistics, MIT Press, vol. 86(4), pages 896-910, November.
  24. Keller, Wolfgang, 2010. "International Trade, Foreign Direct Investment, and Technology Spillovers," Handbook of the Economics of Innovation, Elsevier.
  25. Peter Klenow & Andrés Rodríguez-Clare, 1997. "The Neoclassical Revival in Growth Economics: Has It Gone Too Far?," NBER Chapters, in: NBER Macroeconomics Annual 1997, Volume 12, pages 73-114 National Bureau of Economic Research, Inc.
  26. Nick Bloom, 2007. "Uncertainty and the Dynamics of R&D," CEP Discussion Papers dp0792, Centre for Economic Performance, LSE.
  27. David T. Coe & Alexander W. Hoffmaister, 1999. "Are There International R&D Spillovers Among Randomly Matched Trade Partners? A Response to Keller," IMF Working Papers 99/18, International Monetary Fund.
  28. Bravo-Ortega, Claudio & García Marín, Álvaro, 2011. "R&D and Productivity: A Two Way Avenue?," World Development, Elsevier, vol. 39(7), pages 1090-1107, July.
  29. Edmond, Chris, 2001. "Some Panel Cointegration Models of International R&D Spillovers," Journal of Macroeconomics, Elsevier, vol. 23(2), pages 241-260, April.
  30. Park, Jungsoo, 2004. "International student flows and R&D spillovers," Economics Letters, Elsevier, vol. 82(3), pages 315-320, March.
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