传染病区域间旅行的外部性和政策干预。

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2024-09-24 DOI:10.1002/hec.4900
Naoshi Doi, Shingo Yamazaki
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引用次数: 0

摘要

本文从理论上研究了大流行病期间旅行的外部性和政策干预。我们从短期角度建立了一个两个地区的可操作静态模型。模型显示,外部性既可能是负的,也可能是正的,这取决于地区的不对称性。因此,即使在传染病广泛传播的情况下,旅行限制也不一定能减少感染,也不一定能提高社会福利。最佳政策干预的公式是由旅行方向和旅行者的流行病学状况决定的四种外部性的加权平均值。
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Externality and policy intervention in interregional travel with infectious diseases.

This paper theoretically investigates externalities and policy interventions in travel during a pandemic. We develop a tractable static model of two regions from a short-run perspective. The model shows that the externalities can be both negative and positive, depending on regional asymmetry. Thus, even when infectious diseases are widespread, travel restrictions do not necessarily reduce infections and do not necessarily improve social welfare. A formula for the optimal policy intervention is derived and shown to be the weighted average of four types of externalities defined by the direction of travel and the epidemiological status of a traveler.

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来源期刊
ACS Applied Bio Materials
ACS Applied Bio Materials Chemistry-Chemistry (all)
CiteScore
9.40
自引率
2.10%
发文量
464
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