2024 Volume 80 Issue 27 Article ID: 24-27002
The implementation of Climate Change mitigation measures in Japan leads to a heavy burden on low-income groups. Therefore, there are concerns that mitigation measures have a regressive impact on household consumption. Although there are a variety of energy scenarios to achieve long-term decarbonization goals, previous studies targeting Japan have not analyzed the impact on household consumption considering the uncertainty of energy scenarios across models. Therefore, in this study, we focused on Japan and evaluated the impact on household consumption by income group under the 2050 decarbonization scenario, considering the uncertainty by using multiple models. The results showed that climate change mitigation measures have a regressive impact on household consumption until 2050. Furthermore, it was found that the impact will continue to increase until 2040. However, after 2040, there was a wide range of results among the models. It was suggested that economic and technological policies are necessary to suppress its regressive impact.
