Given the effect of short-term interest rates on consumer credit, Li’s team decides to determine what the short-term interest rate is expected to be in the future. The central bank’s last official statement identified 2.5% as the appropriate real rate, assuming no other factors. Li’s team then estimates potential factors that may make the central bank behave differently from the 2.5% rate in the statement, shown in Exhibit 1.
Based on how the Taylor rule is applied by Li’s team, the central bank’s estimated optimal short-term real rate is closest to:
- A. 2.8%.
- B. 1.5%.
- C.2.0%.
老師您好，根據題幹提到的是 real rate，計算出來的數據應該如下
i* = r* + inflation forecast + 0.5 (inflation gap) + 0.5 (output gap)
= 2.5 + 1.5 + 0.5 (1.5-3.5) + 0.5 (2-1)
= 3.5%
但沒有答案，
後來去搜尋題幹發現以前的解答與題幹中沒有特別強調 "real rate"
https://event.pzacademy.com/qa/114832
想問應該看待這一題所描述的 real rate，以及是否解答有誤
