Tue, Jan 24, 2006 - Page 9 News List

Exposing the false words of the peddlers of private pensions

By J. Bradford DeLong

One of the strangest claims made in the debates about social insurance now roiling the world's richest countries is that government-funded defined-benefit pension programs (such as the US' social security system) are outmoded. These programs were fine, the argument goes, for the industrial economy of the Great Depression and the post-World War II generation, but they have become obsolete in today's high-tech, networked, post-industrial economy.

Advocates of this argument propose a different model. Just as corporations today are much happier supporting workers' pensions by contributing to employees' private accounts, so governments today should offer (or require) contributions to privately owned accounts. The value of these accounts would fluctuate with the market rather than rest on a defined-benefit scheme that guarantees a fixed real sum of resources available upon retirement.

This argument is strange because it gets the economics of the situation backward. When there are lots of companies offering workers long-term, defined-benefit retirement pensions, there are fewer advantages to the government in setting up a parallel defined-benefit scheme and requiring workers to participate in it.

After all, in such a world, workers who set great value on a defined-benefit pension can go to work for firms that offer such pensions.

The major benefits that arise from the government's requiring that workers also participate in a national social security system accrue to those workers who really ought to value a defined-benefit pension highly but have not been able to figure out what their true preferences are. They also accrue to relatively poor workers who lack the bargaining power to induce bosses to offer the pensions they really want -- and need.


But there aren't a lot of companies today that are willing to offer long-term, defined-benefit pension schemes. One reason is that companies nowadays are much more aware of their own long-run fragility than they were in the post-World War II decades. Not even the US' IBM -- which prides itself on stability -- wants to take the risk of offering defined-benefit schemes.

The risk from defined-benefit pensions used to be offset by two benefits for companies that offered them. First, the fact that leaving the company usually meant cashing in one's pension at a discount increased worker loyalty. Second, complaisant accountants' optimistic assumptions about returns on pension reserves, together with large firms' greater risk-bearing capacity, brightened the financial picture that companies could report to investors.

Today, the risks are seen to be much greater, and the benefits are seen to be less. As a result, an ever-smaller slice of employers are offering anything like defined-benefit pensions.

This fall-off in private defined-benefit pensions all across the rich core of the world economy is a bad thing, because the configuration of asset prices suggests that young and middle-aged workers value defined-benefit pensions extremely highly. Historically, the gap between expected returns on low-risk assets like government or investment-grade bonds and high-risk assets like stocks and real estate has been very high. To some degree, as economists like Harvard's Robert Barro and mathematicians like Benoit Mandelbrot argue, this may be because high-risk investments are in reality much more risky than the theories and math of standard finance techniques suggest.

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