However, the administration of corporate pensions will remain in Edinburgh, where 200 people are currently employed.

There is also stepped-up pressure for workers themselves to provide for retirement as traditional corporate pensions fade.

Too often, the study says, corporate pensions are distracted by concerns that have nothing to do with the long-term health of the fund.

And while a carefully invested portfolio can rise with inflation, corporate pensions usually do not.

"It is very difficult to get a handle on corporate pensions," she said.

Republicans said the bill was necessary to prevent further erosion in the use of traditional corporate pensions.

Many corporate pensions run out after 20 years, and most are not adjusted for inflation.

The bill does not include the administration's alternative proposals to strengthen corporate pensions.

At the time, many companies were offering fixed corporate pensions, which they increasingly supplemented with 401(k) plans.

To wit, she named the five most common myths about corporate pensions.