Mothibe, Lira B.; Shongwe, Sandile C. - In: Risks : open access journal 14 (2026) 1, pp. 1-30
capital reserves. Grid maps and model averaging confirm that mixture and composite models better capture the heavy …This work presents a practical approach to improve risk quantification for heavy-tailed insurance claims through model … averaging and grid map visualization, addressing the drawbacks of traditional single "best" model selection commonly used in …