 The key thing Riker points out for this concept is that while there is generally a very large number of possible coalitions, only some of these possibilities will be considered by players due to some being more advantageous for the coalition members than others.The importance of this, Riker says, is that, "if one can put limitations on the ... imputations that will be seriously considered by the players, then one also puts limitations on the process of coalition making- inasmuch as imputations are related to particular partitions into coalitions.