Description: This article explains how duration matching as an asset/liability management tool is insufficient and can lead to a suboptimal asset mix.

Description: The author describes immunization with a simple illustration requiring only high school algebra rather than the ordinary and stochastic calculus that has been applied to this subject. It illustrates that if you have three invesmtents with different durations, we can take some combination of any two of them to get the same duration as the third.