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Group Decision-Making: An Economic Analysis of Social Influence and Individual Difference in Experimental Juries

  • Parkinson, S.
  • Baddeley, M.

In a jury decision-making, individuals must compromise in order to reach a group consensus. If individuals compromise for non-rational reasons, such as a preference for conformity or due to erroneous information, then the final decision of the group may be biased. This paper presents original experimental data which shows that groups do have a significant tendency to compromise in jury-like settings. Econometric evidence also shows that features of groups, including the generosity of the group overall, will dictate the extent of compromise. The data also reveal that individual traits such as gender and capacity for empathy are associated with the extent of compromise in a jury-type setting. The implications are that interactions between individual and group characteristics limit the objectivity of decision-making.

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File URL: http://www.econ.cam.ac.uk/research/repec/cam/pdf/cwpe1128.pdf
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Paper provided by Faculty of Economics, University of Cambridge in its series Cambridge Working Papers in Economics with number 1128.

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Date of creation: 07 Mar 2011
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Handle: RePEc:cam:camdae:1128
Contact details of provider: Web page: http://www.econ.cam.ac.uk/index.htm

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  1. Matthew Rabin., 1997. "Psychology and Economics," Economics Working Papers 97-251, University of California at Berkeley.
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  11. Kaushik Mukhopadhaya, 2003. "Jury Size and the Free Rider Problem," Journal of Law, Economics and Organization, Oxford University Press, vol. 19(1), pages 24-44, April.
  12. Lisa R. Anderson & Charles A. Holt, 1996. "Classroom Games: Information Cascades," Journal of Economic Perspectives, American Economic Association, vol. 10(4), pages 187-193, Fall.
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  16. Ladha, Krishna K., 1995. "Information pooling through majority-rule voting: Condorcet's jury theorem with correlated votes," Journal of Economic Behavior & Organization, Elsevier, vol. 26(3), pages 353-372, May.
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