El Moutaki, N., Youssfi, K., Mustapha, R. and Mohammed, K. 2025. The sensitivity analysis of multistate pension projections based on a vec-permutation approach. Statistics, Optimization & Information Computing. 15, 3 (Dec. 2025), 1708-1740. DOI:https://doi.org/10.19139/soic-2310-5070-2832.