An analyst does research about cost of com
题型：单项选择题
问题：
An analyst does research about cost of common equity. With respect to calculating the cost of equity using the bond yield plus risk premium approach, which of the following statements about the risk premium is least accurate（）
A. The risk premium compensates for the additional risk of equity compared with debt.
B. We often estimate the risk premium using historical spreads between bond yields and stock yields.
C. In developed country markets, a typical risk premium added is in the range of 2 to 4 percent.