Comparing Small-Group and Individual Behavior in Lottery-Choice Experiments
Lottery-choice experiments are conducted to compare risk preferences revealed by three-person groups versus isolated individuals. A lottery-choice experiment consists of a menu of paired lottery choices structured so that the crossover point from a low-risk to a high-risk lottery can be used to infer the degree of risk aversion. The data from a between-subjects experiment indicate that the difference in the average crossover point for groups versus individuals is not significant, but groups tend to make decisions that are more consistent with risk-neutral preferences in the lowest and highest risk lotteries. The data from a three-phase individualgroup- individual sequenced experiment indicate that groups choose significantly more low-risk lotteries than the mean choice of the individual group members. Also, making a phase 2 group decision influences the subsequent phase 3 individual decisions toward the group decision relative to the initial phase 1 (individual) decisions.
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Volume (Year): 75 (2008)
Issue (Month): 2 (October)
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- Charles A. Holt & Susan K. Laury, 2005. "Risk Aversion and Incentive Effects: New Data without Order Effects," American Economic Review, American Economic Association, vol. 95(3), pages 902-912, June.
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- Charles A. Holt & Susan K. Laury, 2002. "Risk Aversion and Incentive Effects," American Economic Review, American Economic Association, vol. 92(5), pages 1644-1655, December.
- David Masclet & Youenn Loheac & Laurent Denant-Boemont & Nathalie Colombier, 2004.
"Group and individual risk preferences : a lottery-choice experiment,"
Cahiers de la Maison des Sciences Economiques
bla06063, Université Panthéon-Sorbonne (Paris 1), revised Sep 2006.
- David Masclet & Youenn Loheac & Laurent Denant-Boèmont & Nathalie Colombier, 2006. "Group and individual risk preferences : a lottery-choice experiment," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-00118973, HAL.
- repec:hal:journl:halshs-00118973 is not listed on IDEAS
- Glenn W. Harrison & Eric Johnson & Melayne M. McInnes & E. Elisabet Rutström, 2005. "Risk Aversion and Incentive Effects: Comment," American Economic Review, American Economic Association, vol. 95(3), pages 897-901, June.
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