如题

NO.PZ2023120801000070 问题如下 investor purchases a 12-year, 5.8% annubonaninten to sell it after 10 years. The Macaulration of the bonis 8.97 years. If interest rates fall 75 bps immeately after the purchase of the bon the investor faces: A.negative reinvestment risk B.no reinvestment risk C.positive reinvestment risk CorreAnswer: A The investor hinvestment horizon of 10 years, whiis greater ththe Macaulration of 8.97 years. Therefore, reinvestment risk minates pririsk. positive/negative reinvestment risk，我看到negative/positive时理解的是risk的值为正、负。比如positive reinvestment risk，那就是正的风险，意味着有风险。而风险不能为负，最低就是没风险。解析说负面、正面风险，可是风险怎么有正面Positive的？风险都是negative负面的，所以大家才厌恶风险。