in which the number of stakeholders is K. The difference between the profit made by group S members alone (f x (S)) and the profit made by entity i and the group members (f x (S ∪ {i})) the difference that represents the marginal contribution of entity i, as indicated by the bracketed portion of Eq. 6. The average of the marginal contributions from each combination is used to get the Shapley value, and this process is repeated for every possible combination.