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The Effect of Belief Elicitation Game Play

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  • Hoffmann, Timo

Abstract

The assumptions that subjects hold beliefs and that the chosen actions are not altered by a proper elicitation of these beliefs are widely used in economics. In this paper I experimentally test whether the second assumption is correct. Especially controlling for different game properties, I nd that in dominance solvable two-player normal-form games belief elicitation results in a signi cant increase of equilibrium play. Therefore the elicitation of beliefs can affect the choices made by subjects and lead to more equilibrium actions being chosen. Surprisingly one major reason for this effect is the decreased play of own dominated actions. The results indicate that belief elicitation induces subjects to think harder about the presented decision situation, which results in a better understanding of the given situation and consequently in a modi cation of their beliefs. Therefore, in certain decision situations, belief elicitation affects the decisions made by subjects.

Suggested Citation

  • Hoffmann, Timo, 2014. "The Effect of Belief Elicitation Game Play," VfS Annual Conference 2014 (Hamburg): Evidence-based Economic Policy 100483, Verein für Socialpolitik / German Economic Association.
    • Handle: RePEc:zbw:vfsc14:100483
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    2. Masaki Aoyagi & Takehito Masuda & Naoko Nishimura, 2021. "Strategic Uncertainty and Probabilistic Sophistication," ISER Discussion Paper 1117, Institute of Social and Economic Research, Osaka University.
    3. Karl Schlag & James Tremewan & Joël Weele, 2015. "A penny for your thoughts: a survey of methods for eliciting beliefs," Experimental Economics, Springer;Economic Science Association, vol. 18(3), pages 457-490, September.
    4. Despoina Alempaki & Andrew M. Colman & Felix Kölle & Graham Loomes & Briony D. Pulford, 2022. "Investigating the failure to best respond in experimental games," Experimental Economics, Springer;Economic Science Association, vol. 25(2), pages 656-679, April.
    5. Grimm, Veronika & Utikal, Verena & Valmasoni, Lorenzo, 2015. "In-group favoritism and discrimination among multiple out-groups," FAU Discussion Papers in Economics 05/2015, Friedrich-Alexander University Erlangen-Nuremberg, Institute for Economics.

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    More about this item

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness

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