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Empirical Framework for Cournot Oligopoly with Private Information

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  • Gaurab Aryal
  • Federico Zincenko

Abstract

We propose an empirical framework for asymmetric Cournot oligopoly with private information about variable costs. First, considering a linear demand for a homogenous product with a random intercept, we characterize the Bayesian Cournot-Nash equilibrium. Then we establish the identification of the joint distribution of demand and firm-specific cost distributions. Following the identification steps, we propose a likelihood-based estimation method and apply it to the global market for crude-oil and quantify the welfare effect of private information. We also consider extensions of the model to include either product differentiation, conduct parameters, nonlinear demand, or selective entry.

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  • Gaurab Aryal & Federico Zincenko, 2021. "Empirical Framework for Cournot Oligopoly with Private Information," Papers 2106.15035, arXiv.org, revised Jan 2023.
    • Handle: RePEc:arx:papers:2106.15035
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    Cited by:

    1. Victor Aguirregabiria, 2021. "Identification of firms’ beliefs in structural models of market competition," Canadian Journal of Economics/Revue canadienne d'économique, John Wiley & Sons, vol. 54(1), pages 5-33, February.

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