A missed classic? Perhaps, because after reading this article I realized that this in many ways is a seminal paper. Rachel Mason-Jones and Dennis Towill are not unknown to me, and I’ve come across their names time and again, but this is probably the first time I delved more deeply into their research and their journal articles. Their 1998 paper Shrinking the Uncertainty Circle is one of the articles – if not the article – that paved the way for many frameworks for risks in supply chains, most notably the supply-demand-process-control model found among Martin Christopher and his followers.

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