Research Article
Dynamic Contagion of Systemic Risks on Global Main Equity Markets Based on Granger Causality Networks
Table 2
Summary statistics for the monthly average out-degree of three different periods.
| Period | N | Mean | Std. Deviation | Std. Error | Minimum | Maximum |
| during crisis | 48 | 10.0858 | 2.73009 | 0.39405 | 5.82 | 15.18 | before crisis | 30 | 7.4735 | 2.64365 | 0.48266 | 4.32 | 14.18 | after crisis | 78 | 8.2787 | 2.22409 | 0.25183 | 5.03 | 14.18 | Total | 156 | 8.6799 | 2.64571 | 0.21183 | 4.32 | 15.18 |
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