العلاقة بين جائحة كورونا و سلاسل الإمداد العالمية : دراسة قياسية

الملخص EN

This study aims to investigate the effect of the COVID-19 pandemic on supply chain disruption in six nations using weekly data from 01 / 02 / 2020 to 01 / 02 / 2022.

the model we use in this study is a dynamic conditional correlation (DCC-GARCH) model.

the results document that its effect has been stronger since march 2020, when the HWO announced that COVID-19 became a pandemic.

the outcome demonstrated also that the dynamic conditional correlation is high between total cases in Europe and the united kingdom, which reached 1 from march 1, 2020, to February 1, 2022, which is greater than the relationship between total cases in the united kingdom and china, and this is a result of the distance or proximity of these countries between them.

however, the correlation between total cases in Europe (TCeur) and the supply chain in china (Sch) was low at the beginning of the pandemic, which is the study period, and it started to rise until June 2020, reaching 50%, then decreasing after that period.