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How does competition affect the relationship between innovation and productivity? Estimation of a CDM model for Norway

Author

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  • Fulvio Castellacci

Abstract

The paper investigates the effects of industry-level competition on firm-level innovation and productivity. We propose a refined version of the CDM (Crepon, Duguet, and Mairesse) model that analyses the impacts of competition on four interrelated stages of the innovation process: the choice of a firm to engage in innovation, its R&D intensity, its innovation output and labour productivity. We test the model on a firm-level panel data set based on the last three waves of the innovation survey for Norway (CIS3, CIS4 and CIS5). The econometric results provide empirical support for the refined version of the CDM model. They show that enterprises in oligopolistic sectors have, on average, a greater propensity to engage in innovative activities and tend to invest a greater amount of resources in R&D. On the other hand, firms in competitive industries are characterized by a stronger impact of innovation input on their technological and economic performance.

Suggested Citation

  • Fulvio Castellacci, 2011. "How does competition affect the relationship between innovation and productivity? Estimation of a CDM model for Norway," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 20(7), pages 637-658, August.
    • Handle: RePEc:taf:ecinnt:v:20:y:2011:i:7:p:637-658
    DOI: 10.1080/10438599.2010.516535
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    JEL classification:

    • O3 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights
    • L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance

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