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Assessing game theory, role playing, and unaided judgment

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  • Armstrong, J. Scott

Abstract

Green's study [Int. J. Forecasting (forthcoming)] on the accuracy of forecasting methods for conflicts does well against traditional scientific criteria. Moreover, it is useful, as it examines actual problems by comparing forecasting methods as they would be used in practice. Some biases exist in the design of the study and they favor game theory. As a result, the accuracy gain of game theory over unaided judgment may be illusory, and the advantage of role-playing over game theory is likely to be greater than the 44% error reduction found by Green. The improved accuracy of role-playing over game theory was consistent across situations. For those cases that simulated interactions among people with conflicting roles, game theory was no better than chance (28% correct), whereas role-playing was correct in 61% of the predictions.
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Suggested Citation

  • Armstrong, J. Scott, 2002. "Assessing game theory, role playing, and unaided judgment," International Journal of Forecasting, Elsevier, vol. 18(3), pages 345-352.
    • Handle: RePEc:eee:intfor:v:18:y:2002:i:3:p:345-352
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    References listed on IDEAS

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    1. Green, Kesten C., 2002. "Forecasting decisions in conflict situations: a comparison of game theory, role-playing, and unaided judgement," International Journal of Forecasting, Elsevier, vol. 18(3), pages 321-344.
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    5. Ashton, Robert H., 1986. "Combining the judgments of experts: How many and which ones?," Organizational Behavior and Human Decision Processes, Elsevier, vol. 38(3), pages 405-414, December.
    6. Goodwin, Paul, 2002. "Forecasting games: can game theory win?," International Journal of Forecasting, Elsevier, vol. 18(3), pages 369-374.
    7. Remus, William & O'Connor, Marcus & Griggs, Kenneth, 1998. "The impact of incentives on the accuracy of subjects in judgmental forecasting experiments," International Journal of Forecasting, Elsevier, vol. 14(4), pages 515-522, December.
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    Cited by:

    1. Barry G. Silverman & Gnana Bharathy & Benjamin Nye & Roy J. Eidelson, 2007. "Modeling factions for “effects based operations”: part I—leaders and followers," Computational and Mathematical Organization Theory, Springer, vol. 13(4), pages 379-406, December.
    2. Anita Williams Woolley, 2011. "Playing Offense vs. Defense: The Effects of Team Strategic Orientation on Team Process in Competitive Environments," Organization Science, INFORMS, vol. 22(6), pages 1384-1398, December.
    3. Konstantinos Nikolopoulos & Waleed S. Alghassab & Konstantia Litsiou & Stelios Sapountzis, 2019. "Long-Term Economic Forecasting with Structured Analogies and Interaction Groups," Working Papers 19018, Bangor Business School, Prifysgol Bangor University (Cymru / Wales).
    4. Ilukor, John & Birner, Regina, 2015. "Do Veterinary Paraprofessionals Provide Quality Clinical Veterinary Services for Cattle? Results from a Role Play Experiment in Rural Uganda," 2015 Conference, August 9-14, 2015, Milan, Italy 211781, International Association of Agricultural Economists.
    5. Önkal, Dilek & Lawrence, Michael & Zeynep SayIm, K., 2011. "Influence of differentiated roles on group forecasting accuracy," International Journal of Forecasting, Elsevier, vol. 27(1), pages 50-68, January.
    6. Barry G. Silverman & Gnana Bharathy & Benjamin Nye & Tony Smith, 2008. "Modeling factions for ‘effects based operations’, part II: behavioral game theory," Computational and Mathematical Organization Theory, Springer, vol. 14(2), pages 120-155, June.
    7. Önkal, Dilek & Lawrence, Michael & Zeynep Sayım, K., 2011. "Influence of differentiated roles on group forecasting accuracy," International Journal of Forecasting, Elsevier, vol. 27(1), pages 50-68.
    8. Barry G. Silverman & Daniel M. Silverman & Gnana Bharathy & Nathan Weyer & William R. Tam, 2021. "StateSim: lessons learned from 20 years of a country modeling and simulation toolset," Computational and Mathematical Organization Theory, Springer, vol. 27(3), pages 231-263, September.
    9. Önkal, Dilek & Zeynep Sayım, K. & Lawrence, Michael, 2012. "Wisdom of group forecasts: Does role-playing play a role?," Omega, Elsevier, vol. 40(6), pages 693-702.

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    More about this item

    JEL classification:

    • C7 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory
    • C70 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - General

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