Results well known in the actuarial community about closed-form expressions to Gompertz and Gompertz-Makeham life expectancies for a person aged x are still being independently rediscovered to this day. This note seeks to acknowledge previous results about closed-form expressions to Gompertz-Makeham life expectancies, especially in the actuarial science field, hoping to stimulate interdisciplinarity and provide the background for further developments, especially since the derivation of closed-form expressions for life expectancy (and annuities) based on particular mortality laws are matters of interest for multiple fields such as actuarial science, biology, demography, statistics among others.
CITATION STYLE
Costa De Souza, F. (2022). Closed-form expressions to gompertz-makeham life expectancies: A historical note. Revista Brasileira de Estudos de Populacao, 39. https://doi.org/10.20947/S0102-3098a0220
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