为什么government bonds 是risk-free interest rate的标准点?

为什么government bonds 是risk-free interest rate的标准点? risk free rate 和 current yield是一样的吗 有谁知道澳大利亚的risk free rate 和risk premium risk-free rate of return interest rate和interest rates的区别 计算time value of money的时候为什么把dicount rate当interest rate算? THE money you get as interest fron government bonds is the m 求助growth rate与interest rate,discount rate的联系 关于government bonds government bonds and gobernment security covered interest- rate parity的英语解释 coupon interest 和 bond interest rate 的区别