4.「若是最小變異避險比例 (minimum-variance hedge ratio)是 1,必為完美的避險。」此敘述為:
(A)正確
(B)錯誤
(C)無法判斷
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統計: A(3), B(9), C(1), D(0), E(0) #3025633
統計: A(3), B(9), C(1), D(0), E(0) #3025633