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Group and individual risk preferences : a lottery-choice experiment

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Author Info

  • David Masclet

    ()
    (CREM, Department of Economics, University of Rennes 1 et CIRANO,Montréal)

  • Youenn Loheac

    ()
    (Graduate School of Management of Brittany et Centre d'Economie de la Sorbonne)

  • Laurent Denant-Boemont

    ()
    (CREM, Department of Economics, University of Rennes 1)

  • Nathalie Colombier

    ()
    (CREM, Department of Economics, University of Rennes 1)

Abstract

This paper focuses on decision making under risk, comparing group and individual risk preferences in a lottery-choice experiment inspired by Holt and Laury (2002). The experiment presents subjects with a menu of unordered lottery choices which allows us to measure risk aversion. In the individual treatment, subjects make lottery choices individually ; in the group treatment, each subject was placed in an anonymous group of three, where unanimous lottery choice decisions were made via voting. Finally, in a third treatment, called the choice treatment, subjects could choose whether to be on their own or in a group. our main findings are that groups are more likely than individuals to choose safe lotteries for decisions with low winning percentages. Moreover, groups converge toward less risky decisions because subjects who were relatively less risk averse were more likely to change their vote in order to conform to the group average decision ; more risk-averse individuals were less likely to change their preferences. Finally our results reveal a positive relationship between preference for risk and willingness to decide alone.

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File URL: ftp://mse.univ-paris1.fr/pub/mse/cahiers2006/Bla06063.pdf
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Bibliographic Info

Paper provided by Université Panthéon-Sorbonne (Paris 1) in its series Cahiers de la Maison des Sciences Economiques with number bla06063.

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Length: 34 pages
Date of creation: Oct 2004
Date of revision: Sep 2006
Handle: RePEc:mse:wpsorb:bla06063

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Keywords: Experiment; decision rule; individual decision; group decision.;

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References

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  1. 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.
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Citations

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Cited by:
  1. Roman M. Sheremeta & Jingjing Zhang, 2009. "Can Groups Solve the Problem of Overbidding in Contests?," Department of Economics Working Papers 2009-05, McMaster University.
  2. Iván Arribas & Penélope Hernández & Amparo Urbano Salvador & Jose E. Vila, 2012. "Are social and entrepreneurial attitudes compatible? A behavioral and self-perceptional analysis," Discussion Papers in Economic Behaviour 0512, University of Valencia, ERI-CES.
  3. Klaus Abbink & Jordi Brandts & Benedikt Herrmann & Henrik Orzen, 2007. "Inter-Group Conflict and Intra-Group Punishment in an Experimental Contest Game," Working Papers 328, Barcelona Graduate School of Economics.
  4. Andrea Morone & Piergiuseppe Morone, 2012. "Individual and Group Behaviours in the Traveller's Dilemma: An Experimental Study," Working Papers 2012/09, Economics Department, Universitat Jaume I, Castellón (Spain).
  5. 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.
  6. 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.
  7. Philomena M. Bacon & Peter Moffatt, 2010. "Mortgage Choice as a Natural Field Experiment on Choice Under Risk," University of East Anglia Applied and Financial Economics Working Paper Series 020, School of Economics, University of East Anglia, Norwich, UK..
  8. Loheac, Youenn & Combris, Pierre & Issancou, Sylvie, 2010. "Food Decision, Information And Personality," 115th Joint EAAE/AAEA Seminar, September 15-17, 2010, Freising-Weihenstephan, Germany 116434, European Association of Agricultural Economists;Agricultural and Applied Economics Association.
  9. 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.

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