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The time-varying spillover effect of China’s stock market during the COVID-19 pandemic

The rapid spread of coronavirus (COVID-19) has a significant impact on the world economy, especially on the financial market. Investors are panicking about the future. This paper considers industry data and aims to investigate the impact of the pandemic on China’s stock market. The Asymmetric-GARCH-...

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Detalles Bibliográficos
Autores principales: Liu, Xueyong, Chen, Zhihua, Chen, Zhensong, Yao, Yinhong
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier B.V. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9232396/
https://www.ncbi.nlm.nih.gov/pubmed/35782685
http://dx.doi.org/10.1016/j.physa.2022.127821
Descripción
Sumario:The rapid spread of coronavirus (COVID-19) has a significant impact on the world economy, especially on the financial market. Investors are panicking about the future. This paper considers industry data and aims to investigate the impact of the pandemic on China’s stock market. The Asymmetric-GARCH-BEKK model and complex network theory were combined to construct the interaction networks. From the perspective of spillover effect, we investigated the time varying co-movement during the pandemic. The results indicate that the outbreak of COVID-19 weakens the mean spillover, but enhances the volatility spillover among China’s stock market. However, both mean spillover and volatility spillover decreased rapidly during the period of regular epidemic prevention and control. We also found that different industries have various sensitivity to the COVID-19 pandemic.