Sample Questions
The profit recursion tallies all cash outflows at year-end. For each policy that survives to year-end — a fraction of those in force at year-start — the insurer must hold the reserve . The expected total reserve held for survivors is , which is a cash outflow (from the profit perspective) representing the liability being carried forward.
Mortality gain (actual lighter than basis — favorable):
Interest gain (actual below basis — unfavorable):
Expense gain (actual below basis — favorable):
Compute NPV at :
Since , IRR , so the IRR criterion fails.
DPP at :
Year 1:
Year 2:
Year 3:
The cumulative NPV never reaches zero within 3 years, so the DPP exceeds 3 years, also failing the target.