Research Article
Dynamic Evolution of Securities Market Network Structure under Acute Fluctuation Circumstances
Table 1
Descriptive statistics of network topological structure.
| ā | Mean | Min | Max | Std. |
| Before market crash | In-strength | 15.2488 | 0.0000 | 97.1489 | 11.8373 | Out-strength | 15.2488 | 0.0000 | 69.2445 | 10.7320 | Total strength | 30.4976 | 0.0000 | 118.6920 | 15.2375 | In-degree | 75.5393 | 0.0000 | 363.0000 | 47.8861 | Out-degree | 75.5393 | 0.0000 | 289.0000 | 45.5564 | Total degree | 151.0786 | 0.0000 | 511.0000 | 70.5668 |
| After market crash | In-strength | 46.1407 | 0.0747 | 205.2302 | 42.9866 | Out-strength | 46.1407 | 0.3904 | 255.6046 | 45.3281 | Total strength | 92.2814 | 1.0327 | 282.0779 | 54.0209 | In-degree | 199.8357 | 1.0000 | 617.0000 | 145.2864 | Out-degree | 199.8357 | 2.0000 | 666.0000 | 148.3278 | Total degree | 399.6714 | 6.0000 | 1027.0000 | 201.8751 |
|
|