题目
It has been observed that daily returns on spot positions of the Euro against the US Dollar are highly correlated with returns on spot holdings of the Japanese Yen against the US Dollar. This implies that:
选项
A.When the Euro strengthens against the dollar, the yen also tends to strengthen against the dollar. The two sets of returns are not necessarily equal.
B.The two sets of returns tend to be almost equal.
C.The two sets of returns tend to be almost equal in magnitude but opposite in sign.
D.None of the above.
答案
A
解析
Correlation describes movement in the same direction but does not imply the same magnitude.相关性描述了沿相同方向的运动，但并不意味着相同的大小。