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Evolutionary dynamics of a duopoly game with strategic delegation and isoelastic demand

Author

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  • Domenico De Giovanni

    (University of Calabria)

  • Fabio Lamantia

    (University of Calabria
    University of Manchester)

Abstract

We analyze a model of strategic delegation in Cournot competition with isoelastic demand. We first consider the static game and then we address an evolutionary version of it. We show that the result for which under quantity competition strategic delegation entails output expansion and higher consumers’ welfare than at the standard Cournot-Nash equilibrium is not necessarily true, but depends on the price elasticity of demand. Then, we study the main welfare implications of the model in order to understand whether the prevailing long-run industry configuration provides the highest welfare. We show that this may occur when both firms provide a mixed incentive and that, in this case, the model admits feasible trajectories the long-run configuration of which yields the highest welfare. Finally, we address the robustness of our results by means of an evolutionary model with heterogeneous players.

Suggested Citation

  • Domenico De Giovanni & Fabio Lamantia, 2017. "Evolutionary dynamics of a duopoly game with strategic delegation and isoelastic demand," Journal of Evolutionary Economics, Springer, vol. 27(5), pages 877-903, November.
    • Handle: RePEc:spr:joevec:v:27:y:2017:i:5:d:10.1007_s00191-017-0501-0
    DOI: 10.1007/s00191-017-0501-0
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    References listed on IDEAS

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    Cited by:

    1. Liu, Yuxia & Zhou, Wei & Wang, Qian, 2022. "Global dynamics of an oligopoly competition model with isoelastic demand and strategic delegation," Chaos, Solitons & Fractals, Elsevier, vol. 161(C).
    2. Cerboni Baiardi, Lorenzo & Lamantia, Fabio, 2022. "Oligopoly dynamics with isoelastic demand: The joint effects of market saturation and strategic delegation," Chaos, Solitons & Fractals, Elsevier, vol. 158(C).
    3. Clemens Buchen & Sven A. Hartmann & Alberto Palermo, 2021. "Our product is unique: A note on a delegation game with differentiated products," IAAEU Discussion Papers 202102, Institute of Labour Law and Industrial Relations in the European Union (IAAEU).
    4. Habiger, Peter & Kopel, Michael, 2020. "Strategic delegation in successive oligopolies with differentiated firms," Economics Letters, Elsevier, vol. 194(C).
    5. Caichun Chai & Eilin Francis & Tiaojun Xiao, 2021. "Supply chain dynamics with assortative matching," Journal of Evolutionary Economics, Springer, vol. 31(1), pages 179-206, January.
    6. Clemens Buchen & Sven A. Hartmann & Alberto Palermo, 2021. "Our product is unique: A note on a delegation game with differentiated products," Economics Bulletin, AccessEcon, vol. 41(3), pages 1322-1329.
    7. Silveira, Douglas & Vasconcelos, Silvinha, 2020. "Essays on duopoly competition with asymmetric firms: Is profit maximization always an evolutionary stable strategy?," International Journal of Production Economics, Elsevier, vol. 225(C).

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    More about this item

    Keywords

    Strategic delegation; Evolutionary games; Quantity competition; Isoelastic demand; Cartel stability;
    All these keywords.

    JEL classification:

    • C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L21 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Business Objectives of the Firm
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection

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