A simple derivation of Prelec's probability weighting function
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چکیده
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A simple derivation of Prelec’s probability weighting function
Since Kahneman and Tversky (1979), it has been generally recognized that decision makers overweight low probabilities and underweight high probabilities. Of the several weighting functions that have been proposed, that of Prelec (1998) has the attractions that it is parsimonious, consistent with much of the available empirical evidence and has an axiomatic foundation. Luce (2001) provided a sim...
متن کاملDepartment of Economics a Simple Derivation of Prelec’s Probability Weighting Function
Since Kahneman and Tversky (1979), it has been generally recognized that decision makers overweight low probabilities and underweight high probabilities. Of the several weighting functions that have been proposed, that of Prelec (1998) has the attractions that it is parsimonious, consistent with much of the available empirical evidence and has an axiomatic foundation. Luce (2001) provided a sim...
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A probability weighting function w(p) for an objective probability p in decision under risk plays a pivotal role in Kahneman-Tversky’s prospect theory. Although recent studies in econophysics and neuroeconomics widely utilized probability weighting functions, psychophysical foundations of the probability weighting functions have been unknown. Notably, a behavioral economist Prelec (1998) axioma...
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Empirical studies have shown that decision makers do not usually treat probabilities linearly. Instead, people tend to overweight small probabilities and underweight large probabilities. One way to model such distortions in decision making under risk is through a probability weighting function. We present a nonparametric estimation procedure for assessing the probability weighting function and ...
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ژورنال
عنوان ژورنال: Journal of Mathematical Psychology
سال: 2006
ISSN: 0022-2496
DOI: 10.1016/j.jmp.2006.07.006