Household energy consumption pattern changes in an aging society: the case of Japan between 1989 and 2014 in retrospect
Household energy consumption pattern changes in an aging society: the case of Japan between 1989 and 2014 in retrospect
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DOI：
10.1007/s42495-021-00069-y
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发表时间：
2021-10-21
期刊：
影响因子：
--
通讯作者：
Mayumi K
中科院分区：
文献类型：
--
作者：
Inoue N;Matsumoto S;Mayumi K
本研究探讨了人口老龄化对家庭能源消费的影响，首先提出了一个理论框架来评估人口老龄化对家庭能源消费的三种影响：纯老龄化效应，队列效应和家庭结构效应。根据1989年至2014年日本家庭微观层面的能源消费数据，构建了一个实证模型来研究这三种影响。老年人往往在夏季和冬季在家中获得身体舒适，导致能源消耗增加，称为纯老化效应。我们对这一影响的分析表明，从1995年到2015年，家庭能源消耗增加了约12%。与生活方式偏好相关的不同世代的不同能源使用模式被称为队列效应。一个不太密集的能源消费模式被确定为年轻一代的队列，证实了我们的假设。虽然在家庭能源消费方面存在规模经济，但在过去的几十年里，日本的家庭规模在缩小，这被称为家庭结构效应。家庭结构效应也得到了证实。从1990年到2015年，家庭能源消费增长了约16.6%。这些结果有力地表明，在日本的情况下，人口老龄化对家庭能源消费产生了重大影响。
This study examines how population aging affects household energy consumption, first presenting a theoretical framework to assess three effects of population aging on household energy consumption: the pure aging effect, the cohort effect, and the family structure effect. An empirical model is constructed to investigate these three effects based on Japanese households’ micro-level energy consumption data from 1989 to 2014. Elderly people tend to secure physical comfort at home in summer and winter, resulting in increased energy consumption, known as the pure aging effect. Our analysis of this effect indicates that household energy consumption increased by about 12% from 1995 to 2015. The diverse energy use patterns of different generations associated with lifestyle preferences are referred to as the cohort effect. A less intensive energy consumption pattern is identified for cohorts of younger generations, confirming our hypothesis. Although economies of scale in household energy consumption are present, the size of Japanese households has decreased in the last several decades, which is called the family structure effect. The family structure effect is also confirmed. Household energy consumption increased by about 16.6% from 1990 to 2015. These results strongly suggest a substantial impact of population aging on household energy consumption in the case of Japan.
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