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Firm size, rivalry and the extent of the market in endogenous technological change

  • Peretto, Pietro F.

Evidence shows that firms build their market position by accumulating knowledge protected by secrecy, patents and other appropriation devices. I explore the implications of this fact in a model economy where oligopolistic firms establish in-house R&D programs. In symmetric equilibrium, the number of firms determines concentration and firm size. These determine the scale and the efficiency of R&D operations and the rate of innovation. The number of firms, moreover, is endogenous and determined jointly with the rate of growth by the zero-profit condition. This property yields new results. For example, the scale effect of population size may be negative. The market allocation of resources is not Pareto optimal. I discuss the nature of this distortion.

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Article provided by Elsevier in its journal European Economic Review.

Volume (Year): 43 (1999)
Issue (Month): 9 (October)
Pages: 1747-1773

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Handle: RePEc:eee:eecrev:v:43:y:1999:i:9:p:1747-1773
Contact details of provider: Web page: http://www.elsevier.com/locate/eer

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  1. Drew Fudenberg & Jean Tirole, 1991. "Game Theory," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262061414, June.
  2. Novshek, William & Sonnenschein, Hugo., 1983. "General Equilibrium with Free Entry: A Synthetic Approach to the Theory of Perfect Competition," Working Papers 497, California Institute of Technology, Division of the Humanities and Social Sciences.
  3. Dasgupta, Partha & Stiglitz, Joseph, 1980. "Industrial Structure and the Nature of Innovative Activity," Economic Journal, Royal Economic Society, vol. 90(358), pages 266-93, June.
  4. Aghion, P. & Howitt, P., 1989. "A Model Of Growth Through Creative Destruction," Working papers 527, Massachusetts Institute of Technology (MIT), Department of Economics.
  5. Alvin K. Klevorick & Richard C. Levin & Richard R. Nelson & Sidney G. Winter, 1993. "On the Sources and Significance of Interindustry Differences in Technological Opportunities," Cowles Foundation Discussion Papers 1052, Cowles Foundation for Research in Economics, Yale University.
  6. David K. Backus & Patrick J. Kehoe & Timothy J. Kehoe, 1992. "In search of scale effects in trade and growth," Staff Report 152, Federal Reserve Bank of Minneapolis.
  7. Cohen, Wesley M & Levinthal, Daniel A, 1989. "Innovation and Learning: The Two Faces of R&D," Economic Journal, Royal Economic Society, vol. 99(397), pages 569-96, September.
  8. Segerstrom, Paul S & Anant, T C A & Dinopoulos, Elias, 1990. "A Schumpeterian Model of the Product Life Cycle," American Economic Review, American Economic Association, vol. 80(5), pages 1077-91, December.
  9. Spence, Michael, 1984. "Cost Reduction, Competition, and Industry Performance," Econometrica, Econometric Society, vol. 52(1), pages 101-21, January.
  10. repec:cup:cbooks:9780521293853 is not listed on IDEAS
  11. Jean Tirole, 1988. "The Theory of Industrial Organization," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262200716, June.
  12. Dosi, Giovanni, 1988. "Sources, Procedures, and Microeconomic Effects of Innovation," Journal of Economic Literature, American Economic Association, vol. 26(3), pages 1120-71, September.
  13. Aghion, Philippe & Howitt, Peter, 1992. "A Model of Growth Through Creative Destruction," Scholarly Articles 12490578, Harvard University Department of Economics.
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