The potential for cooperation is not equal for all contacts, but rather varies by the extent to which you and a given contact have ties to the same other contacts. These shared third party contacts are key to identifying closed networks and, therefore, the potential for cooperation. The table below shows for each contact in YOUR NETWORK (p. 4) (1) the number of third party contacts you share with each person and (2) the corresponding proportion that represents of the total number of other contacts in your network.
| Name | Number of Shared Third Party Contacts | Proportion of Shared Third Party Contacts |
| Person 0 | 5 | 35.7% |
| Person 1 | 4 | 28.6% |
| Person 2 | 4 | 28.6% |
| Person 3 | 4 | 28.6% |
| Person 4 | 4 | 28.6% |
| Person 5 | 4 | 28.6% |
| Person 6 | 4 | 28.6% |
| Person 7 | 4 | 28.6% |
| Person 8 | 4 | 28.6% |
| Person 9 | 4 | 28.6% |
| Person 10 | 3 | 21.4% |
| Person 11 | 3 | 21.4% |
| Person 12 | 2 | 14.3% |
| Person 13 | 1 | 7.1% |
| Person 14 | 0 | 0.0% |