Next,the probability of cooperation is researched,and the difficulty and punishment quantity of oligarchic business with asymmetrical marginal cost are discussed,the probability of coorperation changes when punishment quantity changes.

• 另外，研究了寡头企业在进行数量竞争和价格竞争时合作的可能性，讨论了边际成本不对称的寡头企业合作的难度以及惩罚量，当惩罚量改变时，合作的可能性也发生变化。