Table 4. Test results of second-order stochastic dominance (SSD) for pairwise comparison of circumstances by region.
| Region | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ? | > | ? | > | > | > | > | > | > | > | ? | ? |
| 2 | > | ? | ? | > | > | ? | > | ? | ? | < | ? | |
| 3 | ? | ? | ? | ? | ? | ? | ? | ? | < | < | ||
| 4 | ? | ? | > | ? | > | ? | ? | < | ? | |||
| 5 | ? | ? | ? | ? | ? | ? | < | ? | ||||
| 6 | ? | ? | ? | ? | ? | < | < | |||||
| 7 | ? | ? | < | ? | < | < | ||||||
| 8 | ? | ? | ? | < | ? | |||||||
| 9 | < | ? | < | < | ||||||||
| 10 | ? | < | < | |||||||||
| 11 | < | ? | ||||||||||
| 12 | > |
The sign “>” indicates that the circumstances of the row dominate that of the column in terms of SSD. The “?” indicates that we cannot determine whether the circumstances of the row dominate that of the column in terms of SSD, and vice versa.