NO.PZ2020033003000010
问题如下：
Which of the following statements about corporate credit analyst is most likely correct?
选项：
A.Earnings analysis plays the key role in corporate credit risk.
B.If the target firm is larger, the cost of analysis may be lower.
C.Although the analysis varies greatly between different industries, analysts are usually asked to cover many industries because of the similar analysis techniques.
D.The cost of analysis will decrease as the size of the target company decreases.
解释：
B is correct.
考点：corporate credit analyst
选项A：对于一般的行业分析来说，Cash flow analysis 最为重要。
选项B/D：如果分析的对象是上市的大型企业，信息披露会很充分，因此会降低分析的成本。相反，一些小公司，信息很难获取，所以成本相对较高。
选项C：虽然不同行业信用分析的技术都差不多，但是不同行业的关注点相差很大，因此一个分析师一般都只能专注1-2个行业。
应该是marginal cost降低吧？不是总成本降低吧？
