Volume 22 - Article 5 | Pages 115–128  

Life expectancy is the death-weighted average of the reciprocal of the survival-specific force of mortality

By Joel E. Cohen

References

Arias, E. (2007). United States Life Tables, 2004. National Vital Statistics Reports 56(9) (Hyattsville, MD: National Center for Health Statistics).

Keyfitz, N. (1968). Introduction to the Mathematics of Population. Reading, MA: Addison-Wesley.

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