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Internal and external R&D： complements or substitutes? Evidence from a dynamic panel data model

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  • Boris Lokshin
  • Rene Belderbos
  • Martin Carree

Abstract

We examine the impact of internal and external R&D on labor productivity in a 6-year panel of 304 innovating firms. We apply a dynamic linear panel data model that allows for decreasing returns to scale in internal and external R&D with a non-linear approximation of changes in the knowledge stock. We find complementarity between internal and external R&D, with a positive impact of external R&D only evident in case of sufficient internal R&D. The findings confirm the role of internal R&D in enhancing absorptive capacity and hence the effective utilization of external knowledge. These results suggest that empirical studies examining complementarities between continuously measured practices should adopt more general non-linear specifications to allow for correct inferences.

Suggested Citation

  • Boris Lokshin & Rene Belderbos & Martin Carree, 2006. "Internal and external R&D： complements or substitutes? Evidence from a dynamic panel data model," Hi-Stat Discussion Paper Series d06-163, Institute of Economic Research, Hitotsubashi University.
    • Handle: RePEc:hst:hstdps:d06-163
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    File URL: http://hi-stat.ier.hit-u.ac.jp/research/discussion/2006/pdf/D06-163.pdf
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    Cited by:

    1. Catozzella, Alessandra & Vivarelli, Marco, 2007. "The Catalysing Role of In-House R & D in Fostering the Complementarity of Innovative Inputs," IZA Discussion Papers 3126, Institute of Labor Economics (IZA).
    2. Rehman, Naqeeb Ur, 2015. "Does Internal and External R&D Affect SMEs Innovation Performance? Micro Level Evidence from India and Pakistan," EconStor Preprints 113229, ZBW - Leibniz Information Centre for Economics.
    3. Marco Capasso & Nelson Correa, 2010. "ICT and Knowledge Complementarities: A Factor Analysis on Growth," Chapters, in: Mario Cimoli & André A. Hofman & Nanno Mulder (ed.), Innovation and Economic Development, chapter 8, Edward Elgar Publishing.
    4. Alessandra Catozzella & Marco Vivarelli, 2014. "The Catalysing Role of In-House R&D in Fostering Complementarity Among Innovative Inputs," Industry and Innovation, Taylor & Francis Journals, vol. 21(3), pages 179-196, April.
    5. Silverio Alarcón & Mercedes Sánchez, 2013. "External and Internal R&D, Capital Investment and Business Performance in the Spanish Agri-Food Industry," Journal of Agricultural Economics, Wiley Blackwell, vol. 64(3), pages 654-675, September.
    6. Rehman, Naqeeb Ur, 2016. "Does Internal and External Research and Development Affect Innovation of Small and Medium-Sized Enterprises? Evidence from India and Pakistan," ADBI Working Papers 577, Asian Development Bank Institute.

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    More about this item

    Keywords

    R&D; Innovation; Complementarity; Dynamic panel data; Productivity;
    All these keywords.

    JEL classification:

    • O32 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Management of Technological Innovation and R&D
    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
    • D24 - Microeconomics - - Production and Organizations - - - Production; Cost; Capital; Capital, Total Factor, and Multifactor Productivity; Capacity

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