The Actuarial Approach described in this website
automatically adjusts spending not only for market declines (or spending more
than the budget) but also for favorable experience (or spending less than the
budget). So like the slogan in the old
Prego commercial goes--"Its in There!"
Developing and maintaining a robust financial plan in retirement is a classic actuarial problem involving the time-value of money and life contingencies. This problem is easily solved with basic actuarial principles, including periodic comparisons of household assets and spending liabilities.