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The Size of Firms and R&D Investment


  • Fishman, Arthur
  • Rob, Rafael


We construct an industry-equilibrium model in which it is costly for consumers who have previously purchased from one firm to switch to competitors. This gives firms a certain degree of market power over their established customers. The equilibria we identify under these conditions have the following properties: (1) there is a nontrivial size distribution of firms, although firms are intrinsically identical, (2) larger firms make higher profits, (3) larger firms spend more on R&D, (4) larger firms charge (on average) lower prices, and (5) profits are positively correlated over time. These properties match empirical regularities concerning the manufacturing and retail sectors in the U.S. economy. Copyright 1999 by Economics Department of the University of Pennsylvania and the Osaka University Institute of Social and Economic Research Association.

Suggested Citation

  • Fishman, Arthur & Rob, Rafael, 1999. "The Size of Firms and R&D Investment," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 40(4), pages 915-931, November.
  • Handle: RePEc:ier:iecrev:v:40:y:1999:i:4:p:915-31

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    References listed on IDEAS

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    Cited by:

    1. Pradhan, Jaya Prakash, 2011. "Regional heterogeneity and firms’ innovation: the role of regional factors in industrial R&D in India," MPRA Paper 28096, University Library of Munich, Germany.
    2. L. Lambertini & G. Rossini, 2000. "Excess Capacity in Oligopoly with Sequential Entry," Working Papers 384, Dipartimento Scienze Economiche, Universita' di Bologna.
    3. Jaya Prakash Pradhan & Neelam Singh, 2009. "Outward FDI and Knowledge Flows: A Study of the Indian Automotive Sector," Institutions and Economies (formerly known as International Journal of Institutions and Economies), Faculty of Economics and Administration, University of Malaya, vol. 1(1), pages 156-187, June.
    4. Massimo Caruso, 2006. "Monetary Policy Impulses, Local Output and the Transmission Mechanism," Giornale degli Economisti, GDE (Giornale degli Economisti e Annali di Economia), Bocconi University, vol. 65(1), pages 1-30, May.
    5. Asker, John & Baccara, Mariagiovanna, 2010. "Subsidies, entry and the distribution of R&D investment," International Journal of Industrial Organization, Elsevier, vol. 28(3), pages 254-270, May.
    6. Pradhan, Jaya Prakash, 2010. "R&D strategy of small and medium enterprises in India: Trends and determinants," MPRA Paper 20951, University Library of Munich, Germany.
    7. Grossmann, Volker, 2003. "Managerial Job Assignment and Imperfect Competition in Asymmetric Equilibrium," IZA Discussion Papers 738, Institute for the Study of Labor (IZA).
    8. Massimo Caruso, 2004. "Monetary Policy Impulses, Local Output and the Transmission Mechanism," Temi di discussione (Economic working papers) 537, Bank of Italy, Economic Research and International Relations Area.
    9. Lai, Yung-Lung & Lin, Feng-Jyh & Lin, Yi-Hsin, 2015. "Factors affecting firm's R&D investment decisions," Journal of Business Research, Elsevier, vol. 68(4), pages 840-844.

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