新冠疫情紧急状态声明下日本的出行行为趋势与变化：基于手机定位数据的全国观测
Japanese travel behavior trends and change under COVID-19 state-of-emergency declaration: Nationwide observation by mobile phone location data.
作者信息
Hara Yusuke, Yamaguchi Hiromichi
机构信息
Graduate School of Information Sciences, Tohoku University, 6-6-06, Aramaki-Aoba, Aoba-ku, Sendai, Miyagi, Japan.
Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa, Japan.
出版信息
Transp Res Interdiscip Perspect. 2021 Mar;9:100288. doi: 10.1016/j.trip.2020.100288. Epub 2020 Dec 26.
Abstract
In the early stages of the COVID-19 pandemic, the Japan government could not impose strong restrictions such as lockdowns. Since there has been no such nation-wide behavioral analysis, we calculated indicators of nation-wide behavioral change using data based on mobile phone network.This study shows empirical facts and findings on behavioral changes under COVID-19 "state-of-emergency" declarations in Japan that are obtained by using mobile terminal network operational data. Results show that a significant reduction in trips and inter-prefectural travel was achieved without strong restrictions by the government. In addition, the population density index decreased by 20% and people avoided traveling to densely populated areas. This analysis shows that once people's behavior is changed by the declaration of a state of emergency, it does not return to normal immediately after the lifting of the declaration; rather, it recovers slowly.
摘要
在新冠疫情初期，日本政府无法实施诸如封锁等严格限制措施。由于此前没有进行过此类全国性的行为分析，我们利用基于移动电话网络的数据计算了全国行为变化指标。本研究展示了通过使用移动终端网络运营数据获得的、关于日本在新冠疫情“紧急状态”声明下行为变化的实证事实和研究结果。结果表明，在政府没有实施严格限制的情况下，出行和跨县旅行显著减少。此外，人口密度指数下降了20%，人们避免前往人口密集地区。该分析表明，一旦人们的行为因紧急状态声明而改变，在声明解除后并不会立即恢复正常；相反，恢复过程较为缓慢。
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