The minimalwinning coalition,S, of enterprises in competition ofthe setVsis proved, inwhich
the revenue of the members who do not belong toSis equal to 0.Vsis analyzed with some examples
discussed in the aspects of the size of strategic coalitions, allocation of benefits among the members, the
opportunistic behaviors ofthe members and the compensation tothosewho havewithdrawn. Coalitions do not
necessarily mean monopoly. Redistribution of available resources not only benefits enterprises, but improves
the social welfare