0 for ever
1 forever:
Wildlife areas have to be maintained in perpetuity.
2 for ever:
Settlers brought with them the idea of land as a partible, bounded commodity, owned by an individual (or self-selected partnership), transferable and exclusive in perpetuity.
Neither do they object to the carrion-loving raven, as the soul in this case is also absorbed by the bird and provided for in perpetuity.
But on the asset side, they are receiving a perpetuity.
This is achieved by giving up the gains if the value of the perpetuity at death exceeds the strike price.
His decision affronted conventional logic, and bequeathed a controversy to be pondered in perpetuity.
The ratio of payments to the principal is only equal to the internal rate of return in the case of perpetuities or consols.
But they can also fight so much that the accumulated costs of war for each side exceed the value of holding the prize in perpetuity.
Compared with the asset duration of 16.15 years for the perpetuity at 6.6 %, there is evidently a substantial duration mismatch for the writing institution.