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Group decisions under ambiguity: Convergence to neutrality

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  • Keck, Steffen
  • Diecidue, Enrico
  • Budescu, David V.

Abstract

This paper focuses on decisions under ambiguity. Participants in a laboratory experiment made decisions in three different settings: (a) individually, (b) individually after discussing the decisions with two others, and (c) in groups of three. We show that groups are more likely to make ambiguity-neutral decisions than individuals, and that individuals make more ambiguity-neutral decisions after discussing the decisions with others. This shift toward higher ambiguity neutrality in groups and after a group discussion is associated with a reduction in the rates of both ambiguity aversion and ambiguity seeking. We suggest that the results might be driven by effective and persuasive communication that takes place in groups.

Suggested Citation

  • Keck, Steffen & Diecidue, Enrico & Budescu, David V., 2014. "Group decisions under ambiguity: Convergence to neutrality," Journal of Economic Behavior & Organization, Elsevier, vol. 103(C), pages 60-71.
    • Handle: RePEc:eee:jeborg:v:103:y:2014:i:c:p:60-71
    DOI: 10.1016/j.jebo.2014.03.026
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    1. Gary Charness & Edi Karni & Dan Levin, 2013. "Ambiguity attitudes and social interactions: An experimental investigation," Journal of Risk and Uncertainty, Springer, vol. 46(1), pages 1-25, February.
    2. Mohammed Abdellaoui & Frank Vossmann & Martin Weber, 2005. "Choice-Based Elicitation and Decomposition of Decision Weights for Gains and Losses Under Uncertainty," Management Science, INFORMS, vol. 51(9), pages 1384-1399, September.
    3. Ronald J. Baker II & Susan K. Laury & Arlington W. Williams, 2008. "Comparing Small-Group and Individual Behavior in Lottery-Choice Experiments," Southern Economic Journal, John Wiley & Sons, vol. 75(2), pages 367-382, October.
    4. Sujoy Chakravarty & Jaideep Roy, 2009. "Recursive expected utility and the separation of attitudes towards risk and ambiguity: an experimental study," Theory and Decision, Springer, vol. 66(3), pages 199-228, March.
    5. John Engle & Jim Engle-Warnick & Sonia Laszlo, 2011. "Social Exchange and Risk and Ambiguity Preferences," CIRANO Working Papers 2011s-46, CIRANO.
    6. Robert S. Shupp & Arlington W. Williams, 2008. "Risk preference differentials of small groups and individuals," Economic Journal, Royal Economic Society, vol. 118(525), pages 258-283, January.
    7. Bone, John & Hey, John & Suckling, John, 1999. "Are Groups More (or Less) Consistent Than Individuals?," Journal of Risk and Uncertainty, Springer, vol. 18(1), pages 63-81, April.
    8. Jingjing Zhang & Marco Casari, 2012. "How Groups Reach Agreement In Risky Choices: An Experiment," Economic Inquiry, Western Economic Association International, vol. 50(2), pages 502-515, April.
    9. Laure Cabantous & Denis Hilton & Howard Kunreuther & Erwann Michel-Kerjan, 2011. "Is imprecise knowledge better than conflicting expertise? Evidence from insurers’ decisions in the United States," Journal of Risk and Uncertainty, Springer, vol. 42(3), pages 211-232, June.
    10. Glenn W. Harrison & Morten I. Lau & E. Elisabet Rutström & Marcela Tarazona-Gómez, 2013. "Preferences over social risk," Oxford Economic Papers, Oxford University Press, vol. 65(1), pages 25-46, January.
    11. Kugler, Tamar & Bornstein, Gary & Kocher, Martin G. & Sutter, Matthias, 2007. "Trust between individuals and groups: Groups are less trusting than individuals but just as trustworthy," Journal of Economic Psychology, Elsevier, vol. 28(6), pages 646-657, December.
    12. Binswanger, Hans P, 1981. "Attitudes toward Risk: Theoretical Implications of an Experiment in Rural India," Economic Journal, Royal Economic Society, vol. 91(364), pages 867-890, December.
    13. Starmer, Chris & Sugden, Robert, 1991. "Does the Random-Lottery Incentive System Elicit True Preferences? An Experimental Investigation," American Economic Review, American Economic Association, vol. 81(4), pages 971-978, September.
    14. A. Colin Cameron & Douglas L. Miller, 2010. "Robust Inference with Clustered Data," Working Papers 318, University of California, Davis, Department of Economics.
    15. Cary Deck & Jungmin Lee & Javier Reyes & Chris Rosen, 2012. "Risk-Taking Behavior: An Experimental Analysis of Individuals and Dyads," Southern Economic Journal, John Wiley & Sons, vol. 79(2), pages 277-299, October.
    16. Martin G. Kocher & Matthias Sutter, 2005. "The Decision Maker Matters: Individual Versus Group Behaviour in Experimental Beauty-Contest Games," Economic Journal, Royal Economic Society, vol. 115(500), pages 200-223, January.
    17. Ronald J. Baker II & Susan K. Laury & Arlington W. Williams, 2008. "Comparing Small-Group and Individual Behavior in Lottery-Choice Experiments," Southern Economic Journal, Southern Economic Association, vol. 75(2), pages 367-382, October.
    18. Steffen Andersen & Glenn Harrison & Morten Lau & E. Rutström, 2009. "Elicitation using multiple price list formats," Experimental Economics, Springer;Economic Science Association, vol. 12(3), pages 365-366, September.
    19. David J. Cooper & John H. Kagel, 2005. "Are Two Heads Better Than One? Team versus Individual Play in Signaling Games," American Economic Review, American Economic Association, vol. 95(3), pages 477-509, June.
    20. John Hey & Jinkwon Lee, 2005. "Do Subjects Separate (or Are They Sophisticated)?," Experimental Economics, Springer;Economic Science Association, vol. 8(3), pages 233-265, September.
    21. Kunreuther, Howard & Meszaros, Jacqueline & Hogarth, Robin M. & Spranca, Mark, 1995. "Ambiguity and underwriter decision processes," Journal of Economic Behavior & Organization, Elsevier, vol. 26(3), pages 337-352, May.
    22. A. V. Muthukrishnan & Luc Wathieu & Alison Jing Xu, 2009. "Ambiguity Aversion and the Preference for Established Brands," Management Science, INFORMS, vol. 55(12), pages 1933-1941, December.
    23. Gary Charness & Edi Karni & Dan Levin, 2007. "Individual and group decision making under risk: An experimental study of Bayesian updating and violations of first-order stochastic dominance," Journal of Risk and Uncertainty, Springer, vol. 35(2), pages 129-148, October.
    24. Gilboa, Itzhak & Schmeidler, David, 1989. "Maxmin expected utility with non-unique prior," Journal of Mathematical Economics, Elsevier, vol. 18(2), pages 141-153, April.
    25. Gilboa, Itzhak, 1987. "Expected utility with purely subjective non-additive probabilities," Journal of Mathematical Economics, Elsevier, vol. 16(1), pages 65-88, February.
    26. Camerer, Colin & Weber, Martin, 1992. "Recent Developments in Modeling Preferences: Uncertainty and Ambiguity," Journal of Risk and Uncertainty, Springer, vol. 5(4), pages 325-370, October.
    27. Curley, Shawn P. & Yates, J. Frank & Abrams, Richard A., 1986. "Psychological sources of ambiguity avoidance," Organizational Behavior and Human Decision Processes, Elsevier, vol. 38(2), pages 230-256, October.
    28. 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.
    29. Daniel Ellsberg, 1961. "Risk, Ambiguity, and the Savage Axioms," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 75(4), pages 643-669.
    30. Sutter, Matthias, 2007. "Are teams prone to myopic loss aversion? An experimental study on individual versus team investment behavior," Economics Letters, Elsevier, vol. 97(2), pages 128-132, November.
    31. Peter Klibanoff & Massimo Marinacci & Sujoy Mukerji, 2005. "A Smooth Model of Decision Making under Ambiguity," Econometrica, Econometric Society, vol. 73(6), pages 1849-1892, November.
    32. Fabio Maccheroni & Massimo Marinacci & Aldo Rustichini, 2006. "Ambiguity Aversion, Robustness, and the Variational Representation of Preferences," Econometrica, Econometric Society, vol. 74(6), pages 1447-1498, November.
    33. Jingjing Zhang & Marco Casari, 2012. "How Groups Reach Agreement In Risky Choices: An Experiment," Economic Inquiry, Western Economic Association International, vol. 50(2), pages 502-515, 04.
    34. Wakker,Peter P., 2010. "Prospect Theory," Cambridge Books, Cambridge University Press, number 9780521765015.
    35. Gary Bornstein & Ilan Yaniv, 1998. "Individual and Group Behavior in the Ultimatum Game: Are Groups More “Rational” Players?," Experimental Economics, Springer;Economic Science Association, vol. 1(1), pages 101-108, June.
    36. Stefan Trautmann & Ferdinand Vieider & Peter Wakker, 2008. "Causes of ambiguity aversion: Known versus unknown preferences," Journal of Risk and Uncertainty, Springer, vol. 36(3), pages 225-243, June.
    37. William Neilson, 2010. "A simplified axiomatic approach to ambiguity aversion," Journal of Risk and Uncertainty, Springer, vol. 41(2), pages 113-124, October.
    38. Chen, Yan & Katuscak, Peter & Ozdenoren, Emre, 2007. "Sealed bid auctions with ambiguity: Theory and experiments," Journal of Economic Theory, Elsevier, vol. 136(1), pages 513-535, September.
    39. Einhorn, Hillel J & Hogarth, Robin M, 1986. "Decision Making under Ambiguity," The Journal of Business, University of Chicago Press, vol. 59(4), pages 225-250, October.
    40. Yoram Halevy, 2007. "Ellsberg Revisited: An Experimental Study," Econometrica, Econometric Society, vol. 75(2), pages 503-536, March.
    41. Schmeidler, David, 1989. "Subjective Probability and Expected Utility without Additivity," Econometrica, Econometric Society, vol. 57(3), pages 571-587, May.
    42. Attila Ambrus & Ben Greiner & Parag Pathak, 2009. "Group Versus Individual Decision-Making: Is there a shift?," Economics Working Papers 0091, Institute for Advanced Study, School of Social Science.
    43. Budescu, David V. & Kuhn, Kristine M. & Kramer, Karen M. & Johnson, Timothy R., 2002. "Modeling certainty equivalents for imprecise gambles," Organizational Behavior and Human Decision Processes, Elsevier, vol. 88(2), pages 748-768, July.
    44. Hogarth, Robin M & Kunreuther, Howard, 1989. "Risk, Ambiguity, and Insurance," Journal of Risk and Uncertainty, Springer, vol. 2(1), pages 5-35, April.
    45. Marielle Brunette & Laure Cabantous & Stéphane Couture, 2011. "Comparing Group and Individual Choices under Risk and Ambiguity: An Experimental Study," ICBBR Working Papers 15, International Centre for Behavioural Business Research.
    46. W. Viscusi & Harrell Chesson, 1999. "Hopes and Fears: the Conflicting Effects of Risk Ambiguity," Theory and Decision, Springer, vol. 47(2), pages 157-184, October.
    47. Rockenbach, Bettina & Sadrieh, Abdolkarim & Mathauschek, Barbara, 2007. "Teams take the better risks," Journal of Economic Behavior & Organization, Elsevier, vol. 63(3), pages 412-422, July.
    48. Ning Du & David V. Budescu, 2005. "The Effects of Imprecise Probabilities and Outcomes in Evaluating Investment Options," Management Science, INFORMS, vol. 51(12), pages 1791-1803, December.
    49. Laure Cabantous, 2007. "Ambiguity Aversion in the Field of Insurance: Insurers’ Attitude to Imprecise and Conflicting Probability Estimates," Theory and Decision, Springer, vol. 62(3), pages 219-240, May.
    50. Kenneth R. Maccrimmon, 1968. "Descriptive and Normative Implications of the Decision-Theory Postulates," International Economic Association Series, in: Karl Borch & Jan Mossin (ed.), Risk and Uncertainty, chapter 0, pages 3-32, Palgrave Macmillan.
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    More about this item

    Keywords

    Ambiguity; Group decision making; Imprecision; Risk; Vagueness;
    All these keywords.

    JEL classification:

    • C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior
    • D71 - Microeconomics - - Analysis of Collective Decision-Making - - - Social Choice; Clubs; Committees; Associations
    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty

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