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Accumulation of R&D Capital and Dynamic Firm Performance: A Not-so-fixed Effect Model

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Abstract

Considering the observed patterns of R&D investment, we argue that a model which allows for a positive feedback from already acquired knowledge to the productiveness of current research, fits the empirical evidence better than the standard model that treats knowledge accumulation symmetrically to the accumulation of physical capital. We present an econometric framework consistent with a positive feedback in the accumulation of R&D capital. The empirical model is econometrically simple and less data-demanding than the standard framework. Our estimates show a significant positive effect of R&D on performance and a positive feedback effect from the stock of knowledge capital. We calculate the depreciation rate and the rate of return to knowledge capital for our alternative framework, and compare our estimated rate of return to results obtained within the standard framework.

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Bibliographic Info

Paper provided by Research Department of Statistics Norway in its series Discussion Papers with number 184.

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Date of creation: Nov 1996
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Handle: RePEc:ssb:dispap:184

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Keywords: Productivity; R&D; Knowledge Accumulation; Panel Data.;

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Cited by:
  1. Tor Jakob Klette & Zvi Griliches, 1997. "Empirical Patterns of Firm Growth and R&D Investment: A Quality Ladder Model Interpretation," Discussion Papers 188, Research Department of Statistics Norway.
  2. Andersson, Martin & Baltzopoulos, Apostolos & Lööf, Hans, 2012. "R&D strategies and entrepreneurial spawning," Research Policy, Elsevier, vol. 41(1), pages 54-68.
  3. Bronwyn H. Hall & Francesca Lotti & Jacques Mairesse, 2008. "Innovation and Productivity in SMEs: Empirical Evidence for Italy," NBER Working Papers 14594, National Bureau of Economic Research, Inc.
  4. Lööf, Hans & Heshmati, Almas & Asplund, Rita & Nåås, Svein-Olav, 2001. "Innovation and Performance in Manufacturing Industries: A Comparison of the Nordic Countries," Working Paper Series in Economics and Finance 0457, Stockholm School of Economics.
  5. Juan Mañez & María Rochina-Barrachina & Amparo Sanchis & Juan Sanchis, 2013. "Do process innovations boost SMEs productivity growth?," Empirical Economics, Springer, vol. 44(3), pages 1373-1405, June.
  6. Maliranta, Mika, 2002. "From R&D to Productivity Through Micro-Level Restructuring," Discussion Papers 795, The Research Institute of the Finnish Economy.
  7. Crespi, G., 2006. "Productivity And Firm Heterogeneity In Chile," PRUS Working Papers 36, Poverty Research Unit at Sussex, University of Sussex.
  8. Johansson, Börje & Lööf, Hans, 2008. "The Impact of Firm’s R&D Strategy on Profit and Productivity," Working Paper Series in Economics and Institutions of Innovation 156, Royal Institute of Technology, CESIS - Centre of Excellence for Science and Innovation Studies.
  9. Roper, Stephen & Arvanitis, Spyros, 2012. "From knowledge to added value: A comparative, panel-data analysis of the innovation value chain in Irish and Swiss manufacturing firms," Research Policy, Elsevier, vol. 41(6), pages 1093-1106.

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