Supply-chain simulations for shaping lockdown policies

Supply-chain simulations for shaping lockdown policies
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用于制定锁定政策的供应链模拟

DOI:
10.1080/17421772.2022.2158212
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发表时间:
2023
影响因子:
2.3
通讯作者:
Yasuyuki Todo
Yasuyuki Todo
中科院分区:
经济学3区
文献类型:
--
作者:
Hiroyasu Inoue;Yohsuke Murase;Yasuyuki Todo

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为了防止COVID-19的传播,许多政府实施了封锁。这种做法导致了广泛的经济停滞,因为封锁的冲击通过供应链传播到其他地区。本研究利用日本160万家企业的供应链数据,考察了多个地区的封锁对经济的影响如何相互作用。我们的主要发现有两个方面。首先,当多个地区协调封锁时间时,它们的经济损失比异步封锁时要小。其次,多个地区通过更多的供应链环节连接起来,同步封锁的好处更大。我们的研究结果表明,在实施封锁时,需要在地区和国家之间进行政策协调。
To prevent the spread of COVID-19, many governments have imposed lockdowns. This practice has resulted in economic stagnation across broad areas because of the shock of the lockdown propagated to other regions through supply chains. Using supply-chain data for 1.6 million firms in Japan, this study examines how the economic effects of lockdowns in multiple regions interact with each other. Our major findings are twofold. First, when multiple regions coordinate the timing of their lockdowns, their economic losses are smaller than when they do so asynchronously. Second, the benefit of synchronous lockdown in multiple regions is larger when they are connected through a larger number of supply-chain links. Our results suggest a need for policy coordination across regions and countries when lockdowns are imposed.
DOI: 10.3390/jrfm14100461
发表时间: 2021
影响因子: --
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DOI: 10.1371/journal.pone.0239251
发表时间: 2020-09-15
期刊: PLOS ONE
影响因子: 3.7
作者:
Inoue, Hiroyasu;Todo, Yasuyuki
通讯作者: Todo, Yasuyuki