It was a popular story, and unsurprisingly so, for it was based around the chilling words of the girl herself.* It was the perfect example of the sin and destruction that awaited those who left the Message. If we left, we could rest assured, without the Message we would fall apart. This version of the story is taken from The Sin of Unbelief, May 17, 1958: Sometime ago, I was speaking to a girl. I felt led just to say something to her.
Definition of duration: Period required to complete an activity, job, or task, usually excluding holidays and other non-working days.
modified duration. Definition. A measure of the price sensitivity of a bond to interest rate movements. Equal to the Macaulay Duration divided by (1+ (bond yield/k)) where k is the number of compounding periods per year. It is therefore inversely proportional to the approximate percentage change in price for a given change in yield.