Testing Prospect Theories Using Probability Tradeoff Consistency

George Wu (), Jiao Zhang () and Mohammed Abdellaoui

Journal of Risk and Uncertainty, 2005, vol. 30, issue 2, 107-131

Abstract: The two versions of prospect theory, original prospect theory (OPT; Kahneman and Tversky, 1979) and cumulative prospect theory (CPT; Tversky and Kahneman, 1992), use different composition rules to combine the value function and the probability weighting function and hence value gambles with two or more non-zero outcomes differently. Previous tests of OPT and CPT have yielded mixed results, with some investigations supporting OPT and some supporting CPT. We extend the probability tradeoff consistency axiom used in Abdellaoui (2002) for CPT to OPT, and develop a critical test of the two prospect theories based on their respective probability tradeoff consistency conditions. An empirical investigation of the critical test shows that choices are consistent with OPT, but not CPT, for gambles that do not involve a certainty effect, and consistent with both CPT and OPT for gambles that do involve a certainty effect, provided that an editing operation is invoked for OPT. Copyright Springer Science + Business Media, Inc. 2005

Keywords: decision under risk; prospect theory; probability weighting function; tradeoff consistency (search for similar items in EconPapers)
Date: 2005
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Citations: View citations in EconPapers (17)

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DOI: 10.1007/s11166-005-6561-9

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