Choice-Based Elicitation and Decomposition of Decision Weights for Gains and Losses Under Uncertainty
نویسندگان
چکیده
This paper reports the results of an experimental parameter-free elicitation and decomposition of decision weights under uncertainty. Assuming cumulative prospect theory, utility functions were elicited for gains and losses at an individual level using the trade-off method. Subsequently, decision weights were elicited through certainty equivalents of uncertain twooutcome prospects. Furthermore, decision weights were decomposed using observable choice instead of invoking other empirical primitives, as in previous experimental studies. The choice-based elicitation of decision weights allows for a quantitative study of their characteristics, and also allows, among other things, for the examination of the signdependence hypothesis for observed choice under uncertainty. Our results confirm concavity of the utility function in the gain domain and bounded subadditivity of decision weights and choice-based subjective probabilities. We also find evidence for sign dependence of decision weights.
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عنوان ژورنال:
- Management Science
دوره 51 شماره
صفحات -
تاریخ انتشار 2005