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Patents, R&D, and Technological Spillovers at the Firm Level: Some Evidence from Econometric Count Models for Panel Data

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Cincera, Michele

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Abstract

The paper analyses the relationship between the main determinants of technological activity and patent applications. To this end, an original panel of 181 international manufacturing firms investigating substantial amounts in R&D during the late 1980s has been constructed. The number of patent applications by firms is explained by current and lagged levels of R&D expenditures and technological spillovers. Technological and geographical opportunities are also taken into account as additional determinants. In order to examine this relationship, several econometric models for count panel data are estimated. These models deal with the discrete nature of patents and firm specific unobservables arising from the panel data context. The main findings of the paper are first, a high sensitivity of results to the specification of patent distribution. Second, the estimates of the preferred GMM panel data method suggest decreasing returns to scale in technological activity and finally a positive impact of technological spillovers on firm's own innovation.

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File URL: http://qed.econ.queensu.ca:80/jae/1997-v12.3/
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Article provided by John Wiley & Sons, Ltd. in its journal Journal of Applied Econometrics.

Volume (Year): 12 (1997)
Issue (Month): 3 (May-June)
Pages: 265-80
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Handle: RePEc:jae:japmet:v:12:y:1997:i:3:p:265-80

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  1. Thorwarth, Susanne & Kraft, Kornelius & Czarnitzki, Dirk, 2008. "The Knowledge Production of ?R? and ?D?," ZEW Discussion Papers 08-046, ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research. [Downloadable!]
  2. Mercedes Gumbau Albert & Joaquín Maudos Villarroya, 2006. "Patents, Technological Inputs And Spillovers Among Regions," Working Papers. Serie EC 2006-11, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie). [Downloadable!]
    Other versions:
  3. B. Verspagen & G. Silverberg, 2000. "Breaking the waves: a poisson regression approach to schumpeterian clustering of basic innovations," ECIS Working Papers 00.16, Eindhoven Centre for Innovation Studies, Eindhoven University of Technology. [Downloadable!]
    Other versions:
  4. Linda Y. Yueh, 2006. "Patent Laws and Innovation in China," Economics Series Working Papers 271, University of Oxford, Department of Economics. [Downloadable!]
  5. Barros, Henrique M., 2008. "The Impact of the Distribution of R&D Expenses on Firms’ Motivations to Patent," Ibmec Working Papers wpe_138, Ibmec Working Paper, Ibmec São Paulo. [Downloadable!]
  6. Gaetan de Rassenfosse & Bruno van Pottelsberghe de la Potterie, 2008. "A Policy Insight into the R&D-Patent Relationship," ECARES Working Papers 2008_007, Université Libre de Bruxelles, Ecares. [Downloadable!]
    Other versions:
  7. Uchida, Yuichiro & Cook, Paul, 2005. "Innovation and Market Structure in the Manufacturing Sector: An Application of Linear Feedback Models," Centre on Regulation and Competition (CRC) Working papers 30702, University of Manchester, Institute for Development Policy and Management (IDPM). [Downloadable!]
  8. Richards, Timothy & Padilla, Luis, 2001. "Commodity R&D, Patenting, And Promotion," 2001 Annual meeting, August 5-8, Chicago, IL 20497, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association). [Downloadable!]
  9. Caniëls, M.C.J. & Verspagen, B., 1999. "The effects of economic integration on regional growth, an evolutionary model," ECIS Working Papers 99.13, Eindhoven Centre for Innovation Studies, Eindhoven University of Technology. [Downloadable!]
    Other versions:
  10. Srinivasan, C.S. & Shankar, Bhavani, 2001. "Some Aspects Of The International Experience Of Plant Variety Protection," 2001 Annual meeting, August 5-8, Chicago, IL 20437, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association). [Downloadable!]
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