问题
单项选择题
Which of the following statements about Treasury Inflation Protected Securities (TIPS) is least accurate（）
A. Inflation adjustments are made semiannually.
B. The coupon rate on TIPS is effectively a real rate of interest.
C. The coupon rate adjusts upward for inflation.
答案
参考答案：C
解析：
The principal is adjusted for inflation, not the coupon rate. However, the coupon payment adjusts as the principal adjusts.