题中说每年的spending requirement is 300,000 in real terms. inflatin rate is 2%,nominal risk-free rate is 4%.
问题解答说要用real rate 折现， real rate=norminal risk free rate-inflation rate=4%-2%=2%.
这个回答和mortality probabilities的例题说法不同，请问如何理解？究竟哪个对？
Nathan · 2018年11月06日
题中说每年的spending requirement is 300,000 in real terms. inflatin rate is 2%,nominal risk-free rate is 4%.
问题解答说要用real rate 折现， real rate=norminal risk free rate-inflation rate=4%-2%=2%.
这个回答和mortality probabilities的例题说法不同，请问如何理解？究竟哪个对？
品职辅导员_小明 · 2018年11月07日
The approximate relationship between nominal rates, real rates and expected inflation rates can be written as: nominal risk - free rate = real risk - free rate + expected inflation rate. Therefore we can rewrite this equation in terms of the real risk - free rate as: Real risk -free rate = Nominal risk -free rate -expected inflation rate The exact relation is: ( 1 + real) ( 1 + expected inflation) = ( 1 + nominal )
所以这其实是一回事