We study a cooperation structure in which the feasible coalitions are those belonging to a a partition closure system. First, we develop the relation between the dividends of Harsanyi in the restricted game and the worth function in the original game. Next, we obtain an method for computing the Shapley and Banzhaf values of the closure-restricted games using the dividends formula. Finally, we analyze the dividends in symmetric games by means of the k-th difference operator.
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