On the Heterogeneity in Longevity among Socioeconomic Groups: Scope, Trends, and Implications for Earnings-Related Pension Schemes. GJHSS [Internet]. 2017 Apr. 6 [cited 2026 Sep. 21];17(E1):31-57. Available from: https://socialscienceresearch.org/index.php/GJHSS/article/view/1961