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Month: January 2018

Spear’s “Rules-in-Use” – Rule 1: Managing the Diversity of Activities in a Complex System

Spear’s “Rules-in-Use” – Rule 1: Managing the Diversity of Activities in a Complex System

In the previous post, I introduced Stephen Spear’s 1999 Ph.D. dissertation on the Toyota Production System. In that paper, Spear outlined 5 “Rules-in-Use” which he saw as the fundamental principles driving the inner workings of the production system that Toyota developed over many decades. These are not written down anywhere within Toyota but were developed over those decades through a rigorous devotion to mastering the art of learning and teaching others how to learn. Sounds a little spooky at first…

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