# Tag Info

### MM Proposition and the cost of debt

An assumption of no bankruptcy cost in the Modigliani–Miller theorem means that there is zero cost of financial distress in case of bankruptcy. Hence, the firm can go bankrupt, being unable to repay ...

### Feller Condition (Cox-Ingersoll-Ross) source

For $x,K > 0$, denote by $(X_t^x)_{t\geq 0}$ the unique strong solution of the CIR sde starting from $x$ at time 0. Define the following stopping time : \tau_{K}^x := \inf\left\{t\geq 0 : \quad ...
Accepted

### Interest rate risk of a bond as a function of the coupon

Yes, the point made in the question is true; more fixed coupons all else equal leads to more interest rate risk. More precisely: more fixed coupons trivially (but well spotted) gives you more losses ...

### Interest rate risk of a bond as a function of the coupon

Since duration is the primary risk of a bond, higher coupons tend to decrease the duration, and the risk of the bond.
1 vote

### falling flatforward curve in quantlib

Set the interest rate in the FlatForward construction to be ql.Compounded or ql.Continuous. ...