actuary

Instead, insurers are likely to design plans that are actuarily equivalent but don't have the gaps and holes that will be in place for beneficiaries choosing stand-alone drug plans under Medicare.

All we need to reinterpret actuarily fair social security as public debt or currency is to think of [[Tau].

3 Insurance trust expenditure covers employee retirement, unemployment compensation, and other insurance operations (including federal Social Security) that are theoretically financed on an actuarily sound basis without affecting current government activities.

The legislation stated that premium charges "shall not be excessive, inadequate, nor unfairly discriminatory, and shall be actuarily sound so as not to result in a subsidy of the plan.