Evaluating carbon inequality by household type and income level across prefectures in Japan
Evaluating carbon inequality by household type and income level across prefectures in Japan
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DOI：
10.1016/j.scs.2022.104236
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发表时间：
2022-10-13
影响因子：
11.7
通讯作者：
Matsumoto, Ken'ichi
中科院分区：
文献类型：
--
作者：
Huang, Yuzhuo;Shigetomi, Yosuke;Matsumoto, Ken'ichi
受收入水平、家庭类型和其他社会经济因素的影响，日本各县之间的家庭碳不平等存在很大差异，从而深刻地影响了国家的可持续发展。因此，有必要在系统分组的收入水平的基础上探索不同家庭的碳足迹，并评估各地市的碳不平等。使用2005年日本多地区投入产出表，我们确定了日本47个县不同收入水平的单人和多人家庭的家庭碳足迹(HCF)的详细结构。我们通过上述家庭的碳足迹基尼系数阐明了各县之间的碳不平等。结果表明，各县之间的HCF存在很大差异，因此导致了碳不平等水平的差异。多人家庭目前是日本HCF的主要贡献者，但单人家庭的贡献有相当大的增长潜力。收入水平对家庭消费的影响最为直接，它在很大程度上决定了家庭消费的数量和结构。各县之间碳不平等的变化表明，收入不平等的加剧扩大了收入群体之间的HCF差距--这种情况不利于在气候缓解期间减少家庭人均CF。
Affected by income level, household type, and other socioeconomic factors, carbon inequality among households substantially differs across prefectures in Japan, thereby profoundly affecting the country's sustainable devel-opment. Therefore, it is necessary to explore the carbon footprint of different households on the basis of sys-tematically grouped income levels and evaluate carbon inequality in all prefectures. Using the 2005 multi -regional input-output table of Japan, we identified detailed structures of household carbon footprint (HCF) across single-and multi-person households of different income levels in Japan's 47 prefectures. We elucidated carbon inequality across prefectures through the carbon footprint Gini coefficients of the aforementioned households. The results showed that substantial differences in HCF exist among prefectures, thus contributing to variances in carbon inequality levels. Multi-person households are currently the main contributors to Japan's HCF, but the contribution of single-person households has considerable potential to grow. Income level has the most direct influence on HCF, which considerably determines the amount and structure of household con-sumption. Changes in carbon inequality among prefectures indicate that the aggravation of income inequality widens the HCF gap among income groups-a situation inconducive to the reduction of per-household CF during climate mitigation.