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The relationship between longevity and lifespan variation
Statistical Methods & Applications ( IF 1.1 ) Pub Date : 2021-07-26 , DOI: 10.1007/s10260-021-00584-4
Andrea Nigri 1 , Elisabetta Barbi 1 , Susanna Levantesi 1
Affiliation  

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.



中文翻译:

寿命与寿命变异的关系

本文通过研究预期寿命和寿命变化的长期动态,为当前关于长寿的讨论做出了贡献。该分析提供了预期寿命分布的期望值,将它们与 Keyfitz 指数测量的寿命变化值相关联。这使我们能够根据死亡率压缩过程研究预期寿命随时间的位置和分布。使用协整分析,我们还探索了一些选定的发达国家中两种长寿措施之间的长期动态。总的来说,我们发现了长寿和寿命变化之间负相关的证据,从而证实了之前的研究。同时,通过检测未跟踪的行为,同时考虑到国家特定的贡献,

更新日期:2021-07-26
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