摘要
从另一角度解释了ＤＥＡ有效性的经济含义；确立了两个已ＤＥＡ有效的决策单元之间的关系；最后给出了带有绝对意义权重的偏好锥———价格锥下的ＤＥＡ有效性。
From a different viewpoint,this paper discusses the economic significance of DEA efficiency.And the method concerning the DEA efficient Dmus is also presented.At the end of the paper,DEA method with absolute significance preference cone(price cone) is put forward.
