Analytical approximation for distorted expectations

作者:Sun, Xianming*; Gan, Siqing; Vanmaele, Michele
来源:Statistics & Probability Letters, 2015, 107: 246-252.
DOI:10.1016/j.spl.2015.09.004

摘要

Given the density function or the characteristic function of a random variable, we propose an analytical approximation for its distorted expectation by using the fast Fourier transform algorithm. This approach can be used in various applications involving distorted expectations.