罗Luo · 2020年03月15日
问题如下：
Suppose the neutral real policy rate is 2.25%, the target inflation rate is 2%, and trend growth is estimated to be 2.5%. If growth is expected to be 3.5% and inflation is expected to be 3%, calculate the nominal policy rate according the Taylor rule.
选项：
A.4%
B.6.25%
3.25%
解释：
B is correct.
解释：
2.25% + 3% + 0.5 (3.5% – 2.5%) + 0.5 (3.0% – 2.0%) = 6.25%
Taylor公式中，加的是“target 通胀率”，应该是2%。所以结果应为：
5.25%=2.25%+2%+0.5(3.5%-2.5%)+0.5(3%-2%)
而非6.25%.
请问老师，是否答案错了？
谢谢。
NO.PZ2020012201000013 问题如下 Suppose the neutrrepolirate is 2.25%, the target inflation rate is 2%, antrengrowth is estimateto 2.5%. If growth is expecteto 3.5% aninflation is expecteto 3%, calculate the nominpolirate accorng the Taylor rule. A.4% B.6.25% C.3.25% B is correct.依据泰勒公式，可得2.25% + 3% + 0.5 (3.5% – 2.5%) + 0.5 (3.0% – 2.0%) = 6.25% 经典题里有两道都是没有在neutrrate的基础上加expecteinflation, 请问老师考试时该如何处理，谢谢。
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NO.PZ2020012201000013 Taylor公式是什么？
NO.PZ2020012201000013 6.25% 3.25% B is correct. 依据泰勒公式，可得 2.25% + 3% + 0.5 (3.5% – 2.5%) + 0.5 (3.0% – 2.0%) = 6.25% 原版书是Y forecast- Y tren该对应estimateexpecte，为什么题目中反了？
