Research Article
Research on Chinese Stock Market during COVID-19—Based on Random Matrix Theory
Table 5
Variance decompositions of the consumption industry, pharmaceutical industry, and financial industry.
| Variable | Period | Consumption | Medicine | Finance |
| Consumption | 0 | 0 | 0 | 0 | 5 | 0.9692 | 0.5296 | 0.5127 | 10 | 0.9663 | 0.5289 | 0.5109 | 15 | 0.9663 | 0.5289 | 0.5109 |
| Medicine | 0 | 0 | 0 | 0 | 5 | 0.0228 | 0.4552 | 0.0640 | 10 | 0.0233 | 0.4551 | 0.0649 | 15 | 0.0233 | 0.4551 | 0.0649 |
| Finance | 0 | 0 | 0 | 0 | 5 | 0.0080 | 0.0152 | 0.4233 | 10 | 0.0104 | 0.0160 | 0.4242 | 15 | 0.0104 | 0.0160 | 0.4242 |
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