Will make an attempt, but 1st a few pts
- expected experience is the prem basis - it is a fixed set of assumptions determined at time of pricing.
- actual future experience is a set of realistic assumptions about the future and can be thought of the surrender val basis
-retro res = surrender value
1. Profit at time t = Profit from actual past experience being different from expected experience, from time 0 to time t
+
Profit from actual future experience being different from expected experience, from time t to maturity.
2. Profit at time t = (Reserve based on actual past experience - Reserve based on expected experience, from time 0 to time t)
+
(Reserve based on expected future experience - Reserve based on actual future experience, from time t to maturity)
3. Profit at time t = (EAS - SV based on expected experience) +(SV based on actual future experience - SV based on expected experience)
4. From 1&3
B - is the profit from actual future experience being different from the pricing basis.
Not sure if I actually helped here because all I did is split the bookwork into points and state stuff you probably already knew!!
For the second question - note that when you bring in margins you are effectively increasing your reserves (I think). If this reserve is used as SV, then you are effectively increasing SV.
So looking at eq 3
3. Profit at time t = (EAS - SV based on expected experience) +(SV based on actual future experience - SV based on expected experience)
the parts in red will increase and so the total in each bracket will decrease and so overall total will decrease.
That said, the first bracket is a thing of the past and so the company will not bring in margins for the part in red in the first bracket and so it is only the future accruing profit that will reduce.
For the 3rd question, not sure about the word "matched" but this is what I think.
Suppose assetshare at time 5 = £1000.
Discount this to time 0 at 4% and 5%. The PV's are £822 and 784 - a change of 5%.
Suppose assetshare at time 25 = £1000.
Discount this to time 0 at 4% and 5%. The PV's are £375 and 295 - a change of 27%.
Last edited by a moderator: Jul 4, 2009