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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)

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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Bibliographic 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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References

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  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.
  2. repec:hal:journl:halshs-00118973 is not listed on IDEAS
  3. Robert S. Shupp & Arlington Williams, 2003. "Risk Preference Differentials of Small Groups and Individuals," Working Papers 200301, Ball State University, Department of Economics, revised Apr 2006.
  4. 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.
  5. 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.
  6. Glenn W. Harrison & Eric Johnson & Melayne M. McInnes & E. Elisabet Rutstr�m, 2005. "Risk Aversion and Incentive Effects: Comment," American Economic Review, American Economic Association, vol. 95(3), pages 897-901, June.
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Cited by:
  1. He, Haoran & Martinsson, Peter & Sutter, Matthias, 2011. "Group Decision Making Under Risk: An experiment with student couples," Working Papers in Economics 519, University of Gothenburg, Department of Economics.
  2. Ertac, Seda & Gurdal, Mehmet Y., 2012. "Deciding to decide: Gender, leadership and risk-taking in groups," Journal of Economic Behavior & Organization, Elsevier, vol. 83(1), pages 24-30.
  3. Tibor Besedes & Cary Deck & Sarah Quintanar & Sudipta Sarangi & Mikhael Shor, 2012. "Free-Riding and Performance in Collaborative and Non-Collaborative Groups," Working papers 2012-21, University of Connecticut, Department of Economics.
  4. Masclet, David & Colombier, Nathalie & Denant-Boemont, Laurent & Lohéac, Youenn, 2009. "Group and individual risk preferences: A lottery-choice experiment with self-employed and salaried workers," Journal of Economic Behavior & Organization, Elsevier, vol. 70(3), pages 470-484, June.
  5. 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.
  6. Jingjing Zhang & Marco Casari, 2009. "How groups reach agreement in risky choices: an experiment," Department of Economics Working Papers 2009-08, McMaster University.
  7. 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, revised Feb 2011.
  8. Seda Ertac & Mehmet Y. Gurdal, 2012. "Personality, Group Decision-Making and Leadership," Koç University-TUSIAD Economic Research Forum Working Papers 1227, Koc University-TUSIAD Economic Research Forum.
  9. Michailova, Julija, 2010. "Overconfidence, risk aversion and (economic) behavior of individual traders in experimental asset markets," MPRA Paper 26390, University Library of Munich, Germany.
  10. Daniela Di Cagno & Emanuela Sciubba & Marco Spallone, 2012. "Choosing a gambling partner: testing a model of mutual insurance in the lab," Theory and Decision, Springer, vol. 72(4), pages 537-571, April.
  11. Klemens Keldenich & Marcus Klemm, 2011. "Double or Nothing!? Small Groups Making Decisions Under Risk in “Quiz Taxi”," Ruhr Economic Papers 0278, Rheinisch-Westfälisches Institut für Wirtschaftsforschung, Ruhr-Universität Bochum, Universität Dortmund, Universität Duisburg-Essen.
  12. Tamar Kugler & Edgar E. Kausel & Martin G. Kocher, 2012. "Are Groups more Rational than Individuals? A Review of Interactive Decision Making in Groups," CESifo Working Paper Series 3701, CESifo Group Munich.

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