September 2022
Beginner
560 pages
17h 36m
English
This appendix proves Equation (8.18) along the lines of Ingersoll (1987).1 Assume that
, the single, instantaneous rate factor, follows the process,
Let
be the full price of some security that depends on
and time. Then, by Ito's lemma,
where
,
, and
denote the partial first derivatives with respect to
and
and the second partial derivative with respect to . Dividing both sides of ...
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