Hot Hand and Gambler's Fallacy in Teams: Evidence from Investment Experiments
AbstractIn laboratory experiments we explore the effects of communication and group decision making on investment behavior and on subjects’ proneness to behavioral biases. Most importantly, we show that communication and group decision making does not impact subjects’ overall proneness to biases like gambler’s fallacy and hot hand belief. However, groups decide differently than individuals as they rely significantly less on useless outside advice from “experts” and choose the risk-free option less frequently. Finally, we document gender differences in investment behavior: groups of two female subjects choose the risk-free investment more often and are slightly more prone to the hot hand belief than groups of two male subjects.
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Bibliographic InfoPaper provided by Faculty of Economics and Statistics, University of Innsbruck in its series Working Papers with number 2013-04.
Date of creation: Jan 2013
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Hot hand belief; Gambler’s fallacy; Experimental finance; Experts; Team decision making;
Find related papers by JEL classification:
- C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior
- C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior
- D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
- G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
This paper has been announced in the following NEP Reports:
- NEP-ALL-2013-02-16 (All new papers)
- NEP-CBE-2013-02-16 (Cognitive & Behavioural Economics)
- NEP-CDM-2013-02-16 (Collective Decision-Making)
- NEP-EVO-2013-02-16 (Evolutionary Economics)
- NEP-EXP-2013-02-16 (Experimental Economics)
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