Description Usage Arguments References
The normalized exponential utility function is given by
U(oc) = 1/alpha * (1 - exp(-alpha * oc)), if oc >= 0 and
U(oc) = -lambda/beta * (1-exp(-beta*(-oc))), if oc < 0.
U is the utility and oc is the objective consequence of a gamble outcome. lambda is the loss aversion coefficient. The Tversky & Kahneman (1992) assumption has also been made, namely
U(-oc) = -lambda * U(oc) where oc >= 0.
1 |
par |
vector, parameters alpha, beta and lambda for the utility function. |
oc |
numeric, the objective consequence |
Scholten, M., & Read, D. (2014). Prospect theory and the “forgotten" fourfold pattern of risk preferences. Journal of Risk and Uncertainty, DOI 10.1007/s11166-014-9183-2.
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