向上倾斜的CC曲线表示厂商数量越多，平均成本越多，各厂商销量越低。交点处为行业的均衡厂商数。
If the number of firms increases, each firm will sell less, so firms will not be able to move as far down their average cost curve.
当存在足够大的网络外部性强度时，均衡结果将与完全竞争市场的情形相同，厂商不能通过差异化定位获取超额利润。
When the intensity of network externality is large enough, equilibrium results will be the same as the case of perfect competition, firms can not reap super profits by differential positioning.
第三章运用完全信息静态博弈模型研究了竞争厂商需求区间实行n段划分的二度价格歧视情形，并且给出了此情形下的纳什均衡结果。
The chapter three researches second price discrimination when two competition manufacturers make nth-pricing with the complete static games model, gives Nash equilibrium under this condition.
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