Global production network, technology spillover, and shock transmission

Weilin Liu and Qian Cheng

Applied Economics, 2021, vol. 53, issue 60, 7020-7036

Abstract: This study presents a new method to analyse the impact of exogenous shock and its transmission mechanism within the global production network, based on scenarios of the COVID-19 pandemic. We decompose domestic and international technology spillovers and introduce them into an economic growth model to investigate the elasticities of factor inputs and knowledge spillovers through industrial linkages, and eventually estimate a model with spatial specifications. The results from the scenario simulations suggest that the global total output is projected to fall by 3.60% and 8.41% under the V-shaped and L-shaped recovery scenarios, respectively, and that the propagation through input-output linkages is an important channel that causes global economic fluctuations. Economies at the hub of the production network, that is, the United States, China, and Germany, are the most seriously affected. Structural decomposition analysis results indicate that the shortage of intermediate inputs supply is the main driver of output decline, followed by the blockage of technology diffusion, and lastly, the reduction of labour supply.

Date: 2021
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DOI: 10.1080/00036846.2021.1958140

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