NO.PZ2016071602000022
问题如下：
The Big Bucks hedge fund has the following description of its activities. It uses simultaneous long and short positions in equity with a net beta close to zero. Which of the following statements about Big Bucks is/are correct?
I. It uses a directional strategy.
II. It is a relative value hedge fund.
III. This fund is exposed to idiosyncratic risks.
选项：
A.I and II
B.II and III
C.I and III
D.II only
解释：
B is correct. This fund has zero beta, so is a relative value fund. It is, however, exposed to idiosyncratic, stock-specific risk.
1.有哪些是直接法呢
2.直接法就是预判趋势？
3.相对法就是消掉系统性风险然后同时拥有long and short去承担非系统性风险？
