The relationship between longevity and lifespan variation

Andrea Nigri (), Elisabetta Barbi and Susanna Levantesi
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Andrea Nigri: Universita degli Studi di Roma La Sapienza Dipartimento di Scienze Statistiche
Elisabetta Barbi: Universita degli Studi di Roma La Sapienza Dipartimento di Scienze Statistiche
Susanna Levantesi: Universita degli Studi di Roma La Sapienza Dipartimento di Scienze Statistiche

Statistical Methods & Applications, 2022, vol. 31, issue 3, No 2, 493 pages

Abstract: Abstract This paper contributes to the current discussion on longevity by investigating the long-term dynamics of life expectancy, and lifespan variation. The analysis provides the expectiles of the life expectancy distribution, relating them to the values of lifespan variation measured by Keyfitz’s index. This allows us to study both the location and the spread of the life expectancy over time in light of the mortality compression process. Using cointegration analysis, we also explore the long-term dynamics between the two longevity measures in some selected developed countries. Overall, we found evidence of a negative relationship between longevity and lifespan variation, thus confirming previous studies. While, by detecting untracked behaviors taking into account the country-specific contribution over time, this study suggests that the strength of this relationship varies across life expectancy distribution’ sections in which the country is located (i.e. specifically expectile), and how fast the country converges towards best performances.

Keywords: Life expectancy; Lifespan variation; Expectiles (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s10260-021-00584-4

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