【摘要】 有 n个决策单元 ,对其中任一决策单元的规模收益分析 .本文用数据包络分析给出了另一种对概念的描述及判断方法 .更多还原

【Abstract】 There are $n$ decision making units. On returns to scale for any one of them, by DEA this paper presents another description of its conception, and provides another approach to judge it.更多还原