穆同学2022-06-20 00:51:53
更担心type1的理由,一是造成的loss会大,因为能力不好的基金经理就在公司里,还有别的原因吗
回答(1)
开开2022-06-20 16:25:30
同学你好,决策者更担心一类错误,
因为:1)一类错误造成的损失是可以被量化的显性成本(explicit costs),而二类错误相当于机会成本(opportunity costs),心理上Type I errors带来的痛苦更大;
2)一类错误容易衡量,并通常与决策者的薪酬直接相关,而二类错误不容易衡量,好的基金经理能创造多少超额回报也是不确定的;
3)一类错误更加透明,出现了损失资助人要向投资者做出解释,而二类错误更加不透明。
对应的英文是:
1)Type I errors create explicit costs, whereas Type II errors create opportunity costs. Because individuals appear to put less weight on opportunity costs, Type I errors are psychologically more painful than Type II errors.
2)Type I errors are relatively straightforward to measure and are often directly linked to the decision maker’s compensation.
3)Type I errors are more transparent to investors and the decision maker has to explain this decision to the investor. Type II errors are less transparent to investors.
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