Appendix AIntroduction to MCT: A Unified Metric for Lead Time

In today’s world, lead time is critical: offering products or services with short lead times provides competitive advantage in most industries. Hence, many improvement methods aim to reduce lead time as part of their overall goals. More important is the fact that, properly measured, lead time can be a strong indicator of total enterprise-wide waste. Thus, lead time reduction can be a powerful approach to reducing organizational waste. In addition, reducing lead time results in improvement of key performance metrics including cost, quality, and on-time delivery.

MCT (the acronym is explained in the next section) is a time-based metric that defines lead time in a precise way so that ...

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