研究生产前沿的参数方法包括确定性前沿面模型和随机前沿面模型方法。
The so called parametric method of studying the production frontier including positive frontier and stochastic frontier models. Analyze and summarize the methods of positive models.
然而，由于传统DEA方法在确定有效前沿面方面还没有走出随机性的困境。
However, the traditional DEA methods do not get out of the trouble of randomness in determining the effective frontier.
然而，由于传统DEA方法在确定有效前沿面方面还没有走出随机性的困境。
However, the traditional DEA methods do not get out of the trouble of randomness in determining the effective frontier.
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