If higher retirement ages in countries with insurance-based state schemes do not make them actuarially sound, then taxes should be increased, or benefits reduced, until they are.

如果在基于保险体系的国家，退休年龄的提高在精算可行的角度上是不可行的，那么税负就应该加重，或者收益减少。 一直到退休年龄提高可行为止。

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Social Security actuarially reduces benefits if taken early and actuarially increases benefits if taken late.

FORBES: Three Rules to Higher Social Security Benefits

This may work for pools of assets, such as mortgages, the behaviour of which can be actuarially assessed.

ECONOMIST: Credit-rating agencies

With the stroke of a pen and no new money from corporate, the GM pension could be fully funded actuarially anyway.

WSJ: Andy Kessler: The Pension Rate-of-Return Fantasy