4.6 Article

Economic exposure to regional value chain disruptions: evidence from Wuhan's lockdown in China

期刊

REGIONAL STUDIES
卷 57, 期 3, 页码 525-536

出版社

ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/00343404.2022.2078802

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economic exposure; Covid-19; input-output model; regional value chains; disaster impact analysis

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This article proposes a methodological framework to measure the economic exposure to regional value chain disruptions caused by city lockdown during Covid-19. It provides a tool for quick assessment of economic risks and policy responses.
Production fragmentation across multiple regions can result in a regional shock propagating along value chains to a wider array of regions. We propose a methodological framework to measure the economic exposure to regional value chain disruptions due to city lockdown during Covid-19. The exposure index is evaluated by applying a hypothetical extraction method to a regionally extended inter-country input-output framework incorporating China's interregional input-output table. Our methodology can be adapted to conduct disaster impact analyses at city, state and country levels. It provides a tool for the immediate assessment of the economic risks of value chain disruptions, enabling quick policy responses.

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