Level 1, 2 and 3 of the hierarchical structure of the “reasons for the information gaps” using the final reachability matrix
| Reason for the information gap | Reachability set | Antecedent set | Intersection | Level |
|---|---|---|---|---|
| R1 | 1 | 1, 2, 3, 4, 6, 7 | 1 | |
| R2 | 1, 2, 3, 4, 5, 6, 7 | 2, 3, 4, 6, 7 | 2, 3, 4, 6, 7 | 1 |
| R3 | 1, 2, 3, 4, 5, 6, 7 | 2, 3, 4, 6, 7 | 2, 3, 4, 6, 7 | 1 |
| R4 | 1, 2, 3, 4, 5, 6, 7 | 2, 3, 4, 6, 7 | 2, 3, 4, 6, 7 | 1 |
| R5 | 0 | 2, 3, 4, 6, 7 | ||
| R6 | 1, 2, 3, 4, 5, 6, 7 | 2, 3, 4, 6, 7 | 2, 3, 4, 6, 7 | 1 |
| R7 | 1, 2, 3, 4, 5, 6, 7 | 2, 3, 4, 6, 7 | 2, 3, 4, 6, 7 | 1 |
| R1 | 1 | 1 | 1 | 2 |
| R5 | 0 | |||
| R5 | 0 | 3 |
| Reason for the information gap | Reachability set | Antecedent set | Intersection | Level |
|---|---|---|---|---|
| R1 | 1 | 1, 2, 3, 4, 6, 7 | 1 | |
| R2 | 1, 2, 3, 4, 5, 6, 7 | 2, 3, 4, 6, 7 | 2, 3, 4, 6, 7 | 1 |
| R3 | 1, 2, 3, 4, 5, 6, 7 | 2, 3, 4, 6, 7 | 2, 3, 4, 6, 7 | 1 |
| R4 | 1, 2, 3, 4, 5, 6, 7 | 2, 3, 4, 6, 7 | 2, 3, 4, 6, 7 | 1 |
| R5 | 0 | 2, 3, 4, 6, 7 | ||
| R6 | 1, 2, 3, 4, 5, 6, 7 | 2, 3, 4, 6, 7 | 2, 3, 4, 6, 7 | 1 |
| R7 | 1, 2, 3, 4, 5, 6, 7 | 2, 3, 4, 6, 7 | 2, 3, 4, 6, 7 | 1 |
| R1 | 1 | 1 | 1 | 2 |
| R5 | 0 | |||
| R5 | 0 | 3 |
Source(s): Authors’ own work
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