Are Groups More (or Less) Consistent Than Individuals?

John Bone (), John Hey and John Suckling

Journal of Risk and Uncertainty, 1999, vol. 18, issue 1, 63-81

Abstract: There is now overwhelming experimental evidence that individuals systematically violate the axioms of Expected Utility theory. In reality, however, many economic decisions are taken by, or on behalf of, groups whose members have a joint stake in those decisions. This paper reports on an experiment in which pairs of individuals are tested for Common-Ratio inconsistencies. We find that the agreed choices of subject-pairs follow a pattern of inconsistency very close to that of individuals choices. We also look for evidence that group participation increases the consistency of the individuals themselves. With one solitary exception, we find none. Copyright 1999 by Kluwer Academic Publishers

Date: 1999
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