In the CIR (1985)model,which of the Following Statements Is True $r _ { t }$

Multiple Choice

In the CIR (1985) model,which of the following statements is true? The price of the bond increases when

A) The short rate $r _ { t }$
Increases.
B) The rate of mean reversion $\boldsymbol { K }$
Rises.
C) The long-run mean rate $\theta$
Increases.
D) The volatility $\sigma$
Increases.