Data Envelopment Analysis (DEA) appears more than just an instrument of measurement. DEA models can be seen as a mathematical structure for democratic voicing within decisional contexts. Such an important aspect of DEA is enhanced through the performance evaluation of a group of professors in a virtual Business college. We show that the outcomes of the analysis can be very useful to support decision processes at many levels. There are three categories of professors: Assistant professors, Associate professors, and Full professors. The evaluation process of these professors is investigated through two different cases. The first case handles each category of professors as a separate sample representing an independent population. The results show that the mean efficiency scores fall between 0.85 and 0.93 for all professors no matters their category. In spite of enabling more fairness, such an approach suffers from its exclusive character, which is contrary to the democratic spirit of DEA. The second case tries to cope with this deficiency through the assessment of the faculty members as a single sample drawn from the same population, i.e., Assistant professors, Associate professors, and Full professors are treated equally, only on the ground of their respective inputs and outputs, no matters their academic rank. A clear efficiency decline is reported, basically due to the very nature of DEA as a procedure that is more efficiency than output focused.
翻译:数据扩展分析(DEA)似乎不仅仅是一种衡量工具。DEA模型可以被看作是决策环境中民主表达的数学结构。通过虚拟商业学院一组教授的绩效评估,DEA的一个重要方面得到加强。我们表明,分析结果对支持许多级别的决策过程非常有用。有三类教授:助理教授、副教授和全教授。这些教授的评估过程通过两个不同的案例进行调查。第一个案例将每一类教授作为代表独立人口的单独样本处理。结果显示,所有教授的平均效率得分在0.85和0.93之间,没有任何问题。尽管能够更加公平,但这种方法具有排他性,这与DEA的民主精神背道而驰。第二个案例试图通过从同一人群中作为单一样本对教师成员进行评估来弥补这一缺陷,即助理教授、副教授和全教授只根据其各自的投入和产出进行同等的抽样处理。结果显示,所有教授的平均效率得分在0.85和0.93之间,没有任何问题。尽管能够做到更加公平,但这种方法有其独有其独有的特点,这与DEA的民主精神相悖。第二个案例试图通过从同一人群中作为单一样本来评估,即助理教授、助理教授、副教授和全教授的评价教授和全教授的教授的评价过程,只根据各自的投入和产出而得到平等对待。