There are three results: 1. We studied the reasonable divisional number of demands while second-degree price discrimination was enforced by two oligarchic enterprises.
其结果有三：第一，研究了两寡头厂商实施二度价格歧视时对需求量区间的分段数的合理性问题；
We studied and compared the static and dynamic games of two oligarchic enterprises on second -degree price discrimination under the condition of linear demand functions.
第二，在线性需求函数条件下研究了两寡头厂商就二度价格歧视的静态与动态博弈，并作了比较；
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