Subjective beliefs formation and elicitation rules : experimental evidence
AbstractSince they have been increasingly used in economics, elicitation rules for subjective beliefs are under scrutiny. In this paper, we propose an experimental design to compare the performance of such rules. Contrary to previous works in which elicited beliefs are compared to an objective benchmark, we consider a pure subjective belief framework (confidence in own performance in a cognitive task and a perceptual task). The performances of elicitation rules are assessed according to the accuracy of stated beliefs in predicting success. For the perceptual task we also compare stated beliefs to Signal Detection Theory predictions. We find consistent evidence in favor of the Lottery Rule which provides more accurate beliefs and is not sensitive to risk aversion. Furthermore the Free Rule, a simple rule with no incentives, elicits relevant beliefs and even outperforms the Quadratic Scoring Rule. Beside this comparison, we propose a belief formation model where we distinguish between two stages in the beliefs : beliefs for decision making and confidence beliefs. Our results give support to this model.
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Bibliographic InfoPaper provided by Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne in its series Documents de travail du Centre d'Economie de la Sorbonne with number 10088.
Length: 38 pages
Date of creation: Nov 2010
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Belief elicitation; confidence; signal Detection Theory; methodology; incentives; experimental economics.;
Other versions of this item:
- Guillaume Hollard & Sébastien Massoni & Jean-Christophe Vergnaud, 2010. "Subjective beliefs formation and elicitation rules : experimental evidence," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-00543828, HAL.
- D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
- D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations
- C60 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - General
- C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior
This paper has been announced in the following NEP Reports:
- NEP-ALL-2010-11-27 (All new papers)
- NEP-CBE-2010-11-27 (Cognitive & Behavioural Economics)
- NEP-EXP-2010-11-27 (Experimental Economics)
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- Jean-Pierre Benoit & Juan Dubra & Don Moore, 2013.
"Does the better â€“than- average effect show that people are Overconfident?: two experiments,"
Documentos de Trabajo/Working Papers
1301, Facultad de Ciencias Empresariales y Economia. Universidad de Montevideo..
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- Noémi Berlin & Marie-Pierre Dargnies, 2012. "Linking Beliefs to Willingness to Compete," Documents de travail du Centre d'Economie de la Sorbonne, UniversitÃ© PanthÃ©on-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne 12075, UniversitÃ© PanthÃ©on-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne.
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- Noémi Berlin & Marie-Pierre Dargnies, 2012. "Linking Beliefs to Willingness to Compete," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-00755660, HAL.
- Zahra Murad & Chris Starmer & Martin Sefton, . "How do risk attitudes affect measured confidence?," Discussion Papers, The Centre for Decision Research and Experimental Economics, School of Economics, University of Nottingham 2014-05, The Centre for Decision Research and Experimental Economics, School of Economics, University of Nottingham.
- Karl Schlag & James Tremewan & Joel van der Weele, 2014. "A Penny for Your Thoughts:A Survey of Methods for Eliciting Beliefs," Vienna Economics Papers, University of Vienna, Department of Economics 1401, University of Vienna, Department of Economics.
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- repec:hal:journl:halshs-00755660 is not listed on IDEAS
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