Answer:
False
Explanation:
This is false.
In reporting reserves aggregate there are lags interest rate such as the federal interest rate are quite easy to measure and easily observable. Such short term interest rate are nominal values and they do not measure the real cost of borrowing well. It does not show accurately what happens to Gross domestic product. Real interest rate equals nominal interest rate as a ratio of reduced inflation gives a representation of true cost of borrowing.
We cannot say with certainty that interests rate is a better policy instrument based on the ground of measurability.