Riker's `size principle' predicts that only minimal winning coalitions (MWCs) will form in n-person zero-sum games that satisfy certain conditions. After summarizing the logic of this principle, a model is proposed in which n players can be ordered from most to least weighty. Two different kinds...

A new procedure is proposed for settling disputes which combines binding arbitration (BA) and final-offer arbitration (FOA). Unlike either of the two pure procedures, combined arbitration (CA) induces the two parties to converge in making their final offers. Under BA, the arbitrator's settlement...