How long should the COVID-19 lockdown continue?

How long should the COVID-19 lockdown continue?
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Covid-19锁定应该继续多长时间?

DOI:
10.1371/journal.pone.0243413
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发表时间:
2020
期刊:
影响因子:
3.7
通讯作者:
Wrzaczek S
Wrzaczek S
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Caulkins J;Grass D;Feichtinger G;Hartl R;Kort PM;Prskawetz A;Seidl A;Wrzaczek S

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各国难以决定何时以及如何结束COVID-19引发的封锁,主张恢复经济活动的人和主张以某种形式继续封锁的人之间存在严重分歧。我们在一个简单的最优控制模型中研究了继续或结束全面封锁之间的选择,该模型涵盖了健康和经济结果,并特别关注护理需求超过医院能力的情况。该模型表明,非常不同的策略可以表现得同样好,甚至都是最佳的工作和生活,因为存在一个所谓的Skiba阈值的相对估值相同。从质量上讲,替代战略相当于试图从根本上根除病毒,或者只是使曲线变平,以便在医院已经人满为患时,更少的人迫切需要医疗保健。
Nations struggled to decide when and how to end COVID-19 inspired lockdowns, with sharply divergent views between those arguing for a resumption of economic activity and those arguing for continuing the lockdown in some form. We examine the choice between continuing or ending a full lockdown within a simple optimal control model that encompasses both health and economic outcomes, and pays particular attention to when need for care exceeds hospital capacity. The model shows that very different strategies can perform similarly well and even both be optimal for the same relative valuation on work and life because of the presence of a so-called Skiba threshold. Qualitatively the alternate strategies correspond to trying essentially to eradicate the virus or merely to flatten the curve so fewer people urgently need healthcare when hospitals are already filled to capacity.
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发表时间: 1927-08-01
期刊: PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-CONTAINING PAPERS OF A MATHEMATICAL AND PHYSICAL CHARACTER
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