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Reconsidering Cournot: The Cournot Equilibrium is Consistent

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  • Andrew F. Daughety

Abstract

This article uses an infinite-regress model of firm-level decisions to find a rational expectations equilibrium for a duopoly and to relate concepts of conjectural variations and consistency to the Cournot equilibrium. The model derives a conjectural variation instead of assuming it. In particular, the Cournot equilibrium is shown to be consistent in the usual sense of the literature. The conflict between notions of consistent conjectures and the Cournot equilibrium results from a compounding problem inherent in the earlier models. We extend these results to the n-firm problem. Alternatively, the article can be viewed as providing a purely static model that generates the Cournot equilibrium without reference to conjectures or quasi dynamics.

Suggested Citation

  • Andrew F. Daughety, 1985. "Reconsidering Cournot: The Cournot Equilibrium is Consistent," RAND Journal of Economics, The RAND Corporation, vol. 16(3), pages 368-379, Autumn.
  • Handle: RePEc:rje:randje:v:16:y:1985:i:autumn:p:368-379
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    Cited by:

    1. Drago, Robert & Turnbull, Geoffrey K., 1996. "On the incidence of profit sharing," Journal of Economic Behavior & Organization, Elsevier, vol. 31(1), pages 129-138, October.
    2. Müller, W. & Normann, H.T., 2003. "Conjectural Variations and Evolutionary Stability : A New Rationale for Consistency," Discussion Paper 2003-44, Tilburg University, Center for Economic Research.
    3. Fischer, Carolyn, 2011. "Market power and output-based refunding of environmental policy revenues," Resource and Energy Economics, Elsevier, vol. 33(1), pages 212-230, January.
    4. Ibrahim Abada & Andreas Ehrenmann, 2016. "The prisoner’s dilemma in Cournot models: when endogenizing the level of competition leads to competitive behaviors," Cambridge Working Papers in Economics 1641, Faculty of Economics, University of Cambridge.
    5. Li, ShiNa & Blake, Adam & Thomas, Rhodri, 2013. "Modelling the economic impact of sports events: The case of the Beijing Olympics," Economic Modelling, Elsevier, vol. 30(C), pages 235-244.
    6. Friedman, James W. & Mezzetti, Claudio, 2002. "Bounded rationality, dynamic oligopoly, and conjectural variations," Journal of Economic Behavior & Organization, Elsevier, vol. 49(3), pages 287-306, November.
    7. Lagarto, João & Sousa, Jorge A.M. & Martins, Álvaro & Ferrão, Paulo, 2014. "Market power analysis in the Iberian electricity market using a conjectural variations model," Energy, Elsevier, vol. 76(C), pages 292-305.
    8. Corts, Kenneth S., 1998. "Conduct parameters and the measurement of market power," Journal of Econometrics, Elsevier, vol. 88(2), pages 227-250, November.
    9. Theo Offerman & Jan Potters & Joep Sonnemans, 2002. "Imitation and Belief Learning in an Oligopoly Experiment," Review of Economic Studies, Oxford University Press, vol. 69(4), pages 973-997.
    10. Sherrill Shaffer, 2008. "Earnings Valuation And Sources Of Growth," CAMA Working Papers 2008-32, Centre for Applied Macroeconomic Analysis, Crawford School of Public Policy, The Australian National University.
    11. Clemens Haftendorn, 2012. "Evidence of Market Power in the Atlantic Steam Coal Market Using Oligopoly Models with a Competitive Fringe," Discussion Papers of DIW Berlin 1185, DIW Berlin, German Institute for Economic Research.
    12. Voneki, Eva & Hockmann, Heinrich, 2009. "Price distortions on the Hungarian raw milk market," 2009 Conference, August 16-22, 2009, Beijing, China 51673, International Association of Agricultural Economists.
    13. Bakucs, Lajos Zoltan & Ferto, Imre & Hockmann, Heinrich & Perekhozhuk, Oleksandr, 2009. "Market power on the edge? An analysis of the German and Hungarian hog markets," German Journal of Agricultural Economics, Humboldt-Universitaet zu Berlin, Department for Agricultural Economics, vol. 58(8).
    14. Wieland Müller & Hans-Theo Normann, 2005. "Conjectural Variations and Evolutionary Stability: A Rationale for Consistency," Journal of Institutional and Theoretical Economics (JITE), Mohr Siebeck, Tübingen, vol. 161(3), pages 491-491, September.
    15. Bunn, Derek W. & Oliveira, Fernando S., 2016. "Dynamic capacity planning using strategic slack valuation," European Journal of Operational Research, Elsevier, vol. 253(1), pages 40-50.
    16. Orlando I. Balboa & Andrew F. Daughety & Jennifer F. Reinganum, 2004. "Market Structure and the Demand for Free Trade," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 13(1), pages 125-150, March.
    17. Andrew F. Daughety, 2006. "Cournot Competition," Vanderbilt University Department of Economics Working Papers 0620, Vanderbilt University Department of Economics.
    18. Kamerschen, David R. & Klein, Peter G. & Porter, David V., 2005. "Market structure in the US electricity industry: A long-term perspective," Energy Economics, Elsevier, vol. 27(5), pages 731-751, September.
    19. repec:eee:eecrev:v:99:y:2017:i:c:p:31-42 is not listed on IDEAS

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