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Subjective Rationality, Self--Confirming Equilibrium, and Corporate Strategy

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  • Michael D. Ryall

    (W. E. Simon School, University of Rochester, Rochester, New York 14627)

Abstract

This paper presents a formal theory of subjective rationality and demonstrates its application to corporate strategy. An agent is said to be subjectively rational when decisions are consistent with the available facts and, where these are lacking, with the agent's own subjective assessments. A self--confirming equilibrium arises when agents' subjectively rational actions generate events that are consistent with their own expectations. Equilibrium strategies may be suboptimal because certain counterfactual beliefs may be erroneous and yet fail to be contradicted by events observed in equilibrium. This weakening of the stronger rationality assumptions inherent in many of the more familiar equilibrium ideas appears well suited to applications in strategy. In particular, performance advantage may be sustained by a firm when its subjectively rational competitors persistently employ suboptimal self--confirming strategies.

Suggested Citation

  • Michael D. Ryall, 2003. "Subjective Rationality, Self--Confirming Equilibrium, and Corporate Strategy," Management Science, INFORMS, vol. 49(7), pages 936-949, July.
    • Handle: RePEc:inm:ormnsc:v:49:y:2003:i:7:p:936-949
    DOI: 10.1287/mnsc.49.7.936.16380
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    References listed on IDEAS

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    Cited by:

    1. Schipper, Burkhard C., 2021. "Discovery and equilibrium in games with unawareness," Journal of Economic Theory, Elsevier, vol. 198(C).
    2. Giovanni. Gavetti & Daniel A. Levinthal, 2004. "50th Anniversay Article: The Strategy Field from the Perspective of Management Science: Divergent Strands and Possible Integration," Management Science, INFORMS, vol. 50(10), pages 1309-1318, October.
    3. Michael D. Ryall, 2009. "Causal Ambiguity, Complexity, and Capability-Based Advantage," Management Science, INFORMS, vol. 55(3), pages 389-403, March.
    4. Scott F. Rockart & Nilanjana Dutt, 2015. "The rate and potential of capability development trajectories," Strategic Management Journal, Wiley Blackwell, vol. 36(1), pages 53-75, January.
    5. Rodolphe Durand & Robert M. Grant & Tammy L. Madsen & Joshua Gans & Michael D. Ryall, 2017. "Value capture theory: A strategic management review," Strategic Management Journal, Wiley Blackwell, vol. 38(1), pages 17-41, January.
    6. , & ,, 2015. "Rationalizable partition-confirmed equilibrium," Theoretical Economics, Econometric Society, vol. 10(3), September.
    7. Syed Muhammad Javed & Saqib Muneer & Melati Ahmad Anuar, 2013. "Impact of Training on Expectation of Employee and Employer: A comparative study," Information Management and Business Review, AMH International, vol. 5(12), pages 601-607.
    8. Fabrizio Ferraro & Jeffrey Pfeffer & Robert I. Sutton, 2009. "How and Why Theories Matter: A Comment on Felin and Foss (2009)," Organization Science, INFORMS, vol. 20(3), pages 669-675, June.

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