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A Note on the Equivalence of the Conjectural Variations Solution and the Coefficient of Cooperation

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  • Escrihuela-Villar Marc

    (Departamento de Economa Aplicada, Universitat de les Illes Balears, Edificio Jovellanos Ctra, Valldemossa, km 7.5 07122, Palma de Mallorca, Baleares, Spain)

Abstract

This note shows that in a general symmetric quantity-setting oligopoly, the conjectural variations solution replicates that of a model where the “coefficient of cooperation” defined by Cyert and DeGroot (1973) is interpreted as the parameter indicating severity of competition.

Suggested Citation

  • Escrihuela-Villar Marc, 2015. "A Note on the Equivalence of the Conjectural Variations Solution and the Coefficient of Cooperation," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 15(2), pages 473-480, July.
    • Handle: RePEc:bpj:bejtec:v:15:y:2015:i:2:p:473-480:n:13
    DOI: 10.1515/bejte-2014-0094
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    References listed on IDEAS

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    1. Dockner, Engelbert J, 1992. "A Dynamic Theory of Conjectural Variations," Journal of Industrial Economics, Wiley Blackwell, vol. 40(4), pages 377-395, December.
    2. Timothy Cason & Tatsuyoshi Saijo & Takehiko Yamato, 2002. "Voluntary Participation and Spite in Public Good Provision Experiments: An International Comparison," Experimental Economics, Springer;Economic Science Association, vol. 5(2), pages 133-153, October.
    3. Cyert, Richard M & DeGroot, Morris H, 1973. "An Analysis of Cooperation and Learning in a Duopoly Context," American Economic Review, American Economic Association, vol. 63(1), pages 24-37, March.
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    Citations

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    Cited by:

    1. Xingtang Wang & Jie Li, 2020. "Downstream rivals’ competition, bargaining, and welfare," Journal of Economics, Springer, vol. 131(1), pages 61-75, September.
    2. Buccella Domenico & Fanti Luciano, 2019. "Profits Under Centralized Negotiations: The Efficient Bargaining Case," The B.E. Journal of Theoretical Economics, De Gruyter, vol. 19(2), pages 1-8, June.
    3. Victor J. Tremblay, 2025. "CEO bias and the degree of industry competition," Journal of Management & Governance, Springer;Accademia Italiana di Economia Aziendale (AIDEA), vol. 29(1), pages 175-191, March.
    4. Domenico Buccella & Luciano Fanti, 2022. "Downstream competition and profits under different input price bargaining structures," Journal of Economics, Springer, vol. 136(3), pages 251-268, August.
    5. Marc Escrihuela-Villar & Carlos Gutiérrez-Hita, 2019. "On competition and welfare enhancing policies in a mixed oligopoly," Journal of Economics, Springer, vol. 126(3), pages 259-274, April.
    6. Yi Liu & Toshihiro Matsumura, 2024. "Welfare effects of common ownership in an international duopoly," Canadian Journal of Economics/Revue canadienne d'économique, John Wiley & Sons, vol. 57(2), pages 459-477, May.
    7. Marc Escrihuela-Villar & Jorge Guillén, 2020. "Innovation and Competition in a Mixed Oligopoly," Hacienda Pública Española / Review of Public Economics, IEF, vol. 234(3), pages 59-74, September.
    8. Hirose, Kosuke & Matsumura, Toshihiro, 2023. "Green transformation in oligopoly markets under common ownership," Energy Economics, Elsevier, vol. 126(C).
    9. Nuowen Bai & Toshihiro Matsumura, 2023. "Common ownership in a delivered pricing duopoly," Journal of Economics, Springer, vol. 139(3), pages 191-208, August.
    10. Marc Escrihuela-Villar, 2016. "On the price effects of collusion and the number of firms," Economics Bulletin, AccessEcon, vol. 36(3), pages 1694-1704.
    11. Flavio M. Menezes & John Quiggin, 2023. "Competition in supply functions and conjectural variations: a unified solution," Australian Institute for Business and Economics DP012023, School of Economics, University of Queensland, Australia.
    12. Michelacakis, Nickolas J., 2023. "Nash versus consistent equilibrium: A comparative perspective on a mixed duopoly location model of spatial price discrimination with delegation," Regional Science and Urban Economics, Elsevier, vol. 99(C).
    13. Marchese, Carla & Venturini, Andrea, 2017. "Is there any Induced Demand for Tax Evasion?," IEL Working Papers 22, Institute of Public Policy and Public Choice - POLIS.
    14. Ludwig von Auer & Tu Anh Pham, 2023. "Imperfect Collusion On Surveilled Markets With Free Entry," Research Papers in Economics 2023-05, University of Trier, Department of Economics.
    15. Marc Escrihuela-Villar & Carlos Gutiérrez-Hita, 2018. "A note on the privatization neutrality result with colluding private firms," Economics Bulletin, AccessEcon, vol. 38(4), pages 2016-2025.
    16. Hirose, Kosuke & Matsumura, Toshihiro, 2022. "Common ownership and environmental Corporate Social Responsibility," Energy Economics, Elsevier, vol. 114(C).
    17. Xu, Lili & Matsumura, Toshihiro, 2022. "Welfare-reducing price competition under relative performance delegation with convex costs," Economic Modelling, Elsevier, vol. 112(C).
    18. Marc Escrihuela-Villar & Carlos Gutiérrez-Hita, 2018. "Imperfect collusion in an asymmetric duopoly," Estudios de Economia, University of Chile, Department of Economics, vol. 45(1 Year 20), pages 29-50, June.
    19. Escrihuela-Villar Marc, 2016. "On Merger Profitability and the Intensity of Rivalry," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 16(2), pages 1203-1212, April.
    20. Yungho Weng & Chih-Ming Hung, 2020. "Tariff escalation and de-escalation: the role of market structure," The Japanese Economic Review, Springer, vol. 71(2), pages 233-246, April.
    21. Ludwig Auer & Tu Anh Pham, 2023. "Imperfect collusion in monitored markets with free entry," Journal of Economics, Springer, vol. 140(3), pages 181-207, December.
    22. Liu, Yi & Matsumura, Toshihiro, 2024. "Payoff interdependence and welfare-improving location diversification," MPRA Paper 120495, University Library of Munich, Germany.

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    More about this item

    Keywords

    conjectural variations; oligopoly; relative profit;
    All these keywords.

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L41 - Industrial Organization - - Antitrust Issues and Policies - - - Monopolization; Horizontal Anticompetitive Practices

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