三个备选投资方案的决策损益表如下，如果采用最大最小决策标准（悲观主义），则选择 （ ） 。
- A.方案A
- B.方案B
- C.方案C
- D.方案D
正确答案及解析
正确答案
解析
本题属于决策分析范畴。由于决策问题所面临的几个自然状态是完全随机的，这使得这种决策包含着盲目性，决策者的经验和性格常常在决策中起主导作用。决策准则包括乐观准则、悲观准则、乐观系数准则和后悔值准则等。maxmin悲观准则是指对于任何行动方案，都认为将是最坏的状态发生，即收益值最小的状态发生。然后，比较各行动方案实施后的结果，取具有最大收益值的行动为最优行动的决策原则，也称为最大最小准则。题干中给出的四种投资方案，收益值最小的分别是A方案为-25，B方案为-80，C方案为-10，D方案时为-30，那么最大收益值是C方案-10，即基于maxmin悲观准则的最佳决策对应的投资方案是C方案。
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