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The Nelson and Winter Models RevisitedPrototypes for Computer-Based Reconstruction of Schumpeterian Competition

  • Esben Sloth Andersen
  • Anne K. Jensen
  • Lars Madsen
  • Martin Jørgensen

The report deals with the reconstruction and further development of the models of industrial dynamics developed by Nelson and Winter and summarised in their famous 1982-book. The basic idea underlying the Nelson and Winter models is that a verbal account of Schumpeterian competition can naturally be transformed into a description of a computational process in which firms not only make short-term production decisions and investment decisions but also performs a search for new technologies. The latter search is successful in a probabilistic manner, and its successes and failures determine an evolutionary process of the industry. Although the simulation models of Nelson and Winter have played a central role the ‘take-off’ of evolutionary economics, they have never been fully documented and their differences have never been explored. The resulting problems are obvious for students who start from Nelson’s and Winter’s most famous accounts, but even for researchers with a full collection of the underlying research papers, the situation is quite confusing. The report tries to make things easier by presenting overviews of the structure of Nelson and Winter models as well as fully implemented versions of their simulation models – especially NELWIN78 based on ch. 13 of the 1982-book and NELWIN77 based on ch. 12. The report furthermore presents a computer-based environment (implemented in MAPLE V Rev2) for revision of the models and for analysis of the overwhelming number of data resulting from simulation runs.

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File URL: http://www3.druid.dk/wp/19960005.pdf
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Paper provided by DRUID, Copenhagen Business School, Department of Industrial Economics and Strategy/Aalborg University, Department of Business Studies in its series DRUID Working Papers with number 96-5.

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Date of creation: 1996
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Handle: RePEc:aal:abbswp:96-5
Contact details of provider: Web page: http://www.druid.dk/

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  1. Richard C. Levin & Alvin K. Klevorick & Richard R. Nelson & Sidney G. Winter, 1988. "Appropriating the Returns from Industrial R&D," Cowles Foundation Discussion Papers 862, Cowles Foundation for Research in Economics, Yale University.
  2. Esben Sloth Andersen, 1996. "The Evolution of an Industrial Sector with a Varying Degree of Roundaboutness of Production," DRUID Working Papers 96-13, DRUID, Copenhagen Business School, Department of Industrial Economics and Strategy/Aalborg University, Department of Business Studies.
  3. repec:cup:cbooks:9780521293853 is not listed on IDEAS
  4. Silverberg, Gerald & Verspagen, Bart, 1994. "Collective Learning, Innovation and Growth in a Boundedly Rational, Evolutionary World," Journal of Evolutionary Economics, Springer, vol. 4(3), pages 207-26, September.
  5. Richard R. Nelson & Sidney G. Winter, 1978. "Forces Generating and Limiting Concentration under Schumpeterian Competition," Bell Journal of Economics, The RAND Corporation, vol. 9(2), pages 524-548, Autumn.
  6. Silverberg, Gerald & Dosi, Giovanni & Orsenigo, Luigi, 1988. "Innovation, Diversity and Diffusion: A Self-organisation Model," Economic Journal, Royal Economic Society, vol. 98(393), pages 1032-54, December.
  7. Richard R. Nelson, 1959. "The Simple Economics of Basic Scientific Research," Journal of Political Economy, University of Chicago Press, vol. 67, pages 297.
  8. Nelson, Richard R & Winter, Sidney G, 1982. "The Schumpeterian Tradeoff Revisited," American Economic Review, American Economic Association, vol. 72(1), pages 114-32, March.
  9. Winter, Sidney G., 1984. "Schumpeterian competition in alternative technological regimes," Journal of Economic Behavior & Organization, Elsevier, vol. 5(3-4), pages 287-320.
  10. Richard C. Levin & Alvin K. Klevorick & Richard R. Nelson & Sidney G. Winter, 1987. "Appropriating the Returns from Industrial Research and Development," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 18(3), pages 783-832.
  11. Richard R. Nelson, 1959. "The Economics of Invention: A Survey of the Literature," The Journal of Business, University of Chicago Press, vol. 32, pages 101.
  12. Nelson, Richard R & Winter, Sidney G, 1974. "Neoclassical vs. Evolutionary Theories of Economic Growth: Critique and Prospectus," Economic Journal, Royal Economic Society, vol. 84(336), pages 886-905, December.
  13. Nelson, Richard R & Winter, Sidney G & Schuette, Herbert L, 1976. "Technical Change in an Evolutionary Model," The Quarterly Journal of Economics, MIT Press, vol. 90(1), pages 90-118, February.
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