In the past several decades, pension plans have become one of the most significant institutional influences on labor and financial markets in the U.S. In an effort to understand the economic effects of this growth, the National Bureau of Economic Research embarked on a major research project in...

This paper develops the view that employer-sponsored pension plans are best understood as retirement income insurance for employees and from that perspective addresses a number of questions regarding the reasons for their existence, their design, and their funding and investment policies. The...