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Comparing Small-Group and Individual Behavior in Lottery-Choice Experiments

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Author Info
Ronald J. Baker II () (Department of Economics, Millersville University of Pennsylvania, P.O. Box 1002, Millersville, PA 17551, USA;)
Susan K. Laury () (Andrew Young School of Policy Studies, Department of Economics, Georgia State University, P.O. Box 3992, Atlanta, GA 30302, USA)
Arlington W. Williams () (Department of Economics, Indiana University, 100 S. Woodlawn, Wylie Hall Rm 105, Bloomington, IN 47405, USA)

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Abstract

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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Publisher Info
Article provided by Southern Economic Association in its journal Southern Economic Journal.

Volume (Year): 75 (2008)
Issue (Month): 2 (October)
Pages: 367-382
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Handle: RePEc:sej:ancoec:v:75:2:y:2008:p:367-382

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Find related papers by JEL classification:
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

References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:

  1. 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. [Downloadable!]
    Other versions:
  2. RobertS. Shupp & ArlingtonW. Williams, 2008. "Risk preference differentials of small groups and individuals," Economic Journal, Royal Economic Society, vol. 118(525), pages 258-283, 01. [Downloadable!] (restricted)
    Other versions:
  3. 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. [Downloadable!]
  4. Glenn W. Harrison & Eric Johnson & Melayne M. McInnes & E. Elisabet Rutstrom, 2005. "Risk Aversion and Incentive Effects: Comment," American Economic Review, American Economic Association, vol. 95(3), pages 897-901, June. [Downloadable!]
  5. 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. [Downloadable!]
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. 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. [Downloadable!]
    Other versions:
  2. Jingjing Zhang & Marco Casari, 2009. "How groups reach agreement in risky choices: an experiment," Department of Economics Working Papers 2009-08, McMaster University. [Downloadable!]
    Other versions:
  3. Lucy F. Ackert & Ann B. Gillette & Jorge Martinez-Vazquez & Mark Rider, 2009. "Risk Tolerance, Self-Interest, and Social Preferences," Experimental Economics Center Working Paper Series 2009-04, Experimental Economics Center, Andrew Young School of Policy Studies, Georgia State University. [Downloadable!]
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This page was last updated on 2009-11-6.

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