Description Usage Arguments References
The general power utility function is given by
U(oc) = beta * oc^alpha, if oc >= 0 and
U(oc) = -lambda * (delta * -oc)^gamma, 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 | general_power_uf(par, oc)
|
par |
vector, parameters alpha, beta and lambda for the utility function. |
oc |
numeric, the objective consequence |
p. 309 Tversky, A., & Kahneman, D. (1992). Advances in prospect theory: Cumulative representation of uncertainty. Journal of Risk and Uncertainty, 5(4), 297-323.
p. 466 Eqn. 2, 469, Birnbaum, M. H. (2008). New paradoxes of risky decision making. Psychological Review, 115(2), 463-501.
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