Inflation-indexed bonds: how do they work?

In January 1997, the United States Treasury, after years of debate, issued its first inflation-indexed bonds. These securities differ from conventional bonds in that principal and interest payments are linked to a price index. Thus, the purchasing power of an investor's savings is protected from inflation. This article provides a simple description of the Treasury's new offering and discusses why indexed bonds may be useful to investors, the Treasury, and policymakers