NO.PZ2015121801000004
问题如下：
Which of the following institutions will on average have the greatest need for liquidity?
选项：
A.
Banks.
B.
Investment companies.
C.
Non-life insurance companies.
解释：
A is correct.
The excess reserves invested by banks need to be relatively liquid. Although investment companies and non-life insurance companies have high liquidity needs, the liquidity need for banks is on average the greatest.
为什么不是B呢，投资公司不是应该最需要流动性吗？银行多少还有存款
