选择题:In practice, sunk costs often influence important

题目内容:
In practice, sunk costs often influence important decisions, especially when adecision maker does not want to admit that a previous decision was a baddecision.

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40【单选题】部门平均劳动生产率提高之后,会导致单位商品的价值量( )A、增加B、降低C、不变D、无

40【单选题】部门平均劳动生产率提高之后,会导致单位商品的价值量( )A、增加B、降低C、不变D、无法判断

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