Most retirees do not need to preserve 100% of their capital. Many do not need to preserve any of it. The right number depends ...
AEGIS: Individual-based modeling of life history evolution. Bagic M, Å ajina A, Bradshaw WJ, Valenzano DR. PLoS Comput Biol. 2026, 22 (3), e1014109. DOI: 10.1371/journal.pcbi.1014109.