1.为什么investment horizon< Mac duration , price risk >reinvesment risk , investor risk 就是higher interest risk?划线怎么理解,我想不明白
2.price risk 不是指更长的持有期interest rate上升,annualied holding p eriod return>原来的YTM?
1.1 为什么higher interest risk? 为什么interest 下降在此时有好处?