Real Options Approach to Quantity and Cost Optimization for Lifetime and Bridge Buys of Parts.

摘要

When a part becomes obsolete, lifetime buy is a mitigation approach that involves the purchase and storage of a part in a sufficient quantity to meet current and (expected) future demands. The opportunity to make lifetime buys is usually offered by manufacturers prior to part discontinuance. Lifetime buys play a role in nearly every part obsolescence management portfolio. Advantages of Lifetime Buys: Design modifications and re-qualification is not required. Original warranty on parts from the manufacturer is available. Management often views lifetime buys as a straightforward option.