Diyanti, Apni; Ansori, Moch. Fandi; Hariyanto, Susilo; … - In: International Journal of Financial Studies : open … 13 (2025) 3, pp. 1-29
, including the power utility function, the natural logarithm utility function, and a combination of both, to capture varying … utility function that failed to produce closed-form solutions was solved through the use of a numerical method to approximate … each utility function, providing investors with a structured framework for determining optimal portfolio weights consistent …