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Aggregation with Cournot Competition: An Empirical Investigation

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  • Bertrand Koebel
  • François Laisney

Abstract

This paper empirically investigates the existence of Cournot equilibrium and the validity of the Le Chatelier-Samuelson (LCS) principle in the aggregate. Whereas two well known existence conditions are statistically rejected, we cannot reject a third, original, condition. We also find some empirical evidence for the LCS principle, as well as both increasing and constant returns to scale for two-digit US manufacturing industries. The results highlight the importance of imperfect competition for understanding aggregate growth, investment and employment.

Suggested Citation

  • Bertrand Koebel & François Laisney, 2016. "Aggregation with Cournot Competition: An Empirical Investigation," Annals of Economics and Statistics, GENES, issue 121-122, pages 91-119.
    • Handle: RePEc:adr:anecst:y:2016:i:121-122:p:91-119
    DOI: 10.15609/annaeconstat2009.121-122.91
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    File URL: http://www.jstor.org/stable/10.15609/annaeconstat2009.121-122.91
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    References listed on IDEAS

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    1. Bresnahan, Timothy F., 1982. "The oligopoly solution concept is identified," Economics Letters, Elsevier, vol. 10(1-2), pages 87-92.
    2. Koebel, Bertrand M. & Laisney, François, 2010. "The aggregate Le Chatelier Samuelson principle with Cournot competition," ZEW Discussion Papers 10-009, ZEW - Leibniz Centre for European Economic Research.
    3. Diewert, W. Erwin & Fox, Kevin J., 2008. "On the estimation of returns to scale, technical progress and monopolistic markups," Journal of Econometrics, Elsevier, vol. 145(1-2), pages 174-193, July.
    4. Bertrand Koebel & François Laisney, 2014. "Aggregation with Cournot Competition: the Le Chatelier Samuelson Principle," Annals of Economics and Statistics, GENES, issue 115-116, pages 343-360.
    5. Bertrand M. Koebel, 2002. "Can Aggregation Across Goods be Achieved by Neglecting The Problem? Property Inheritance and Aggregation Bias," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 43(1), pages 223-255, February.
    6. Lau, Lawrence J., 1982. "On identifying the degree of competitiveness from industry price and output data," Economics Letters, Elsevier, vol. 10(1-2), pages 93-99.
    7. Lewbel, Arthur, 1996. "Aggregation without Separability: A Generalized Composite Commodity Theorem," American Economic Review, American Economic Association, vol. 86(3), pages 524-543, June.
    8. Hall, Robert E, 1988. "The Relation between Price and Marginal Cost in U.S. Industry," Journal of Political Economy, University of Chicago Press, vol. 96(5), pages 921-947, October.
    9. Sabien Dobbelaere & Jacques Mairesse, 2013. "Panel data estimates of the production function and product and labor market imperfections," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 28(1), pages 1-46, January.
    10. Burnside, Craig, 1996. "Production function regressions, returns to scale, and externalities," Journal of Monetary Economics, Elsevier, vol. 37(2-3), pages 177-201, April.
    11. William Novshek, 1985. "On the Existence of Cournot Equilibrium," Review of Economic Studies, Oxford University Press, vol. 52(1), pages 85-98.
    12. Catherine J. Morrison Paul & Donald Siegel, 1999. "Estimation of Scale Economies Underlying Growth and Productivity: The Empirical Implications of Data Aggregation," Southern Economic Journal, Southern Economic Association, vol. 65(4), pages 739-756, April.
    13. Manuel Frondel & Christoph M. Schmidt, 2002. "The Capital-Energy Controversy: An Artifact of Cost Shares?," The Energy Journal, International Association for Energy Economics, vol. 0(Number 3), pages 53-79.
    14. Amir, Rabah, 1996. "Cournot Oligopoly and the Theory of Supermodular Games," Games and Economic Behavior, Elsevier, vol. 15(2), pages 132-148, August.
    15. Hoernig, Steffen H., 2003. "Existence of equilibrium and comparative statics in differentiated goods Cournot oligopolies," International Journal of Industrial Organization, Elsevier, vol. 21(7), pages 989-1019, September.
    16. repec:adr:anecst:y:2014:i:115-116:p:13 is not listed on IDEAS
    17. Heiner, Ronald A, 1982. "Theory of the Firm in "Short-Run" Industry Equilibrium," American Economic Review, American Economic Association, vol. 72(3), pages 555-562, June.
    18. Amir, Rabah, 2005. "Ordinal versus cardinal complementarity: The case of Cournot oligopoly," Games and Economic Behavior, Elsevier, vol. 53(1), pages 1-14, October.
    19. Kulatilaka, Nalin, 1987. "The Specification of Partial Static Equilibrium Models," The Review of Economics and Statistics, MIT Press, vol. 69(2), pages 327-335, May.
    20. Braulke, Michael, 1984. "The Firm in Short-run Industry Equilibrium: Comment," American Economic Review, American Economic Association, vol. 74(4), pages 750-753, September.
    21. Bartelsman, Eric J., 1995. "Of empty boxes: Returns to scale revisited," Economics Letters, Elsevier, vol. 49(1), pages 59-67, July.
    22. Roeger, Werner, 1995. "Can Imperfect Competition Explain the Difference between Primal and Dual Productivity Measures? Estimates for U.S. Manufacturing," Journal of Political Economy, University of Chicago Press, vol. 103(2), pages 316-330, April.
    23. repec:adr:anecst:y:2014:i:115-116 is not listed on IDEAS
    24. Menezes-Filho, Naercio, 2005. "Is the Consumer Sector Competitive in the U.K.? A Test Using Household-Level Demand Elasticities and Firm-Level Price Equations," Journal of Business & Economic Statistics, American Statistical Association, vol. 23, pages 295-304, July.
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    1. Bertrand Koebel & François Laisney, 2014. "Aggregation with Cournot Competition: the Le Chatelier Samuelson Principle," Annals of Economics and Statistics, GENES, issue 115-116, pages 343-360.

    More about this item

    Keywords

    Aggregation; Le Chatelier-Samuelson Principle; Returns to Scale; Market Power; Markup; Own-Price Elasticity.;

    JEL classification:

    • D21 - Microeconomics - - Production and Organizations - - - Firm Behavior: Theory
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection

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