NO.PZ2018091702000043
问题如下：
Perez made three statements about traditional risk tolerance questionnaire.
Statement 1: Risk tolerance questionnaires may work better as a diagnostic tool for institutional investors.
Statement 2: Risk tolerance questionnaires may fail emotionally biased individuals.
Statement 3: Risk tolerance questionnaires is most likely to be effective as a diagnostic tool for cognitive-based individuals.
How many statements are correct?
选项：
A.
1
B.
2
C.
3
解释：
All three statements are correct.
Risk tolerance questionnaires may fail for emotionally biased individuals and work best for institutional investors, and they are generally effective for cognitive-based individuals.
对于第三个陈述有疑问。most likely to be effective……意思是问卷对犯cognitive errors的个人最有效？我知道有效，但不应该是对机构最有效么？
