The relationships between public and private pension schemes: an introductory overview.

Only recently have social insurance and private pensions, collectively, come to be thought of in terms of a total social security benefit package. The economic problems brought on by the 1974 oil crisis initially triggered consideration of a common, integrated role for the two systems. The second oil crisis reinforced the relative expansion in private pension programs, as a supplement to social security. Before these events, private and public pension programs interacted in only a limited number of ways, confined to relatively few countries. These interactions were largely confined to collective bargaining, whereby private pensions were gradually extended to nearly all employees in France and Sweden; mandating, or legally requiring private supplementation of social security, debated in several countries in the early 1970's, but postponed by the 1974 oil crisis; and contracting out, or covering a part of the social security benefit under a private plan, as in the United Kingdom. Overall, the tradition of private pensions was not very strong or broadbased. The current debate centers on which public/private pension mix is desirable from the point of view of an old-age income-maintenance program. A new element is the rising support for a "third pillar"--individual tax-encouraged savings--not only as a supplement, but as an alternative to social insurance.