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Cost reducing investiment, competition and industry dynamics

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  • Roy, Santanu
  • Petrakis, Emmanuel

Abstract

We characterize the dynamic equilibrium path ofa competitive industry with free entry and exit, where atomistic fmns undertake investment over time in order to reduce their future production costs. Investment reduces both total as well as marginal cost of production; however, the associated dynamic scale economies are eventually bounded. Cost reduction is deterministic and there are no inter-firm spill-overs. Marginal cost in any time period is stricdy increasing in output and active firms incur a positive fixed cost even if no output is produced. The industry equilibrium path is socially optimal. Equilibrium prices are (weakly) decreasing over time. Firms invest in cost reduction and eam negative net profit when they are young. In later periods, they face prices aboye their mínimum average cost, produce beyond their mínimum efficient scale and eam strictly positive net profit. No frrm enters after the initial time periodo Though all fmns are ex ante identical, sorne fmns may exit before others (shake-out). Exiting fmns have relatively "small size" compared to incumbents; as the industry matures, concentration and the average size of incumbent fmns increase. Heterogeneity in behaviour and size of fmns emerges endogenously through differences in their length of stay in the industry.

Suggested Citation

  • Roy, Santanu & Petrakis, Emmanuel, 1996. "Cost reducing investiment, competition and industry dynamics," UC3M Working papers. Economics 4107, Universidad Carlos III de Madrid. Departamento de Economía.
  • Handle: RePEc:cte:werepe:4107
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    References listed on IDEAS

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    1. Lucas, Robert E, Jr & Prescott, Edward C, 1971. "Investment Under Uncertainty," Econometrica, Econometric Society, vol. 39(5), pages 659-681, September.
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    3. Emmanuel Petrakis & Eric Rasmusen & Santanu Roy, 1997. "The Learning Curve in a Competitive Industry," RAND Journal of Economics, The RAND Corporation, vol. 28(2), pages 248-268, Summer.
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    13. S.A. Lippman & R.P. Rumelt, 1982. "Uncertain Imitability: An Analysis of Interfirm Differences in Efficiency under Competition," Bell Journal of Economics, The RAND Corporation, vol. 13(2), pages 418-438, Autumn.
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    Citations

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    Cited by:

    1. Bester, Helmut & Petrakis, Emmanuel, 2003. "Wages and productivity growth in a competitive industry," Journal of Economic Theory, Elsevier, vol. 109(1), pages 52-69, March.
    2. Allanson, Paul & Montagna, Catia, 2005. "Multiproduct firms and market structure: An explorative application to the product life cycle," International Journal of Industrial Organization, Elsevier, vol. 23(7-8), pages 587-597, September.
    3. Gotz, Georg, 2002. "Sunk costs, windows of profit opportunities, and the dynamics of entry," International Journal of Industrial Organization, Elsevier, vol. 20(10), pages 1409-1436, December.
    4. Bester, Helmut & Milliou, Chrysovalantou & Petrakis, Emmanuel, 2012. "Wage bargaining, productivity growth and long-run industry structure," Labour Economics, Elsevier, vol. 19(6), pages 923-930.
    5. Sengupta Aditi, 2010. "Environmental Regulation and Industry Dynamics," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 10(1), pages 1-29, June.
    6. James Prieger, 2007. "The Impact of Cost Changes on Industry Entry and Exit," Journal of Economics, Springer, vol. 91(3), pages 211-243, July.
    7. José Luis Moraga Gonzales & Jean-Marie Viaene, 2001. "Trade and Industrial Policy of Transition Economies," CESifo Working Paper Series 446, CESifo Group Munich.
    8. Santanu Roy & Takashi Kamihigashi, 2004. "Investment, Externalities & Industry Dynamics," Econometric Society 2004 North American Summer Meetings 144, Econometric Society.
    9. David Greenstreet, 2007. "Exploiting Sequential Learning to Estimate Establishment-Level Productivity Dynamics and Decision Rules," Economics Series Working Papers 345, University of Oxford, Department of Economics.

    More about this item

    Keywords

    Learning;

    JEL classification:

    • D41 - Microeconomics - - Market Structure, Pricing, and Design - - - Perfect Competition
    • D92 - Microeconomics - - Micro-Based Behavioral Economics - - - Intertemporal Firm Choice, Investment, Capacity, and Financing
    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives

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