Lean principles are difficult to employ in complex environments, but materials requirement planning has well-known limitations. The theory of constraints, which is complementary to lean manufacturing when it comes to low volumes and complex environments, may provide an answer.
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quality. Infor , for example, claims that dozens of its customers, operating in a similar environment, have had significant improvements in performance and profitability within two or three months. As long as management buys in, the methods and the tools are available. There is some relativism to be considered, however, since the improvements may not be on par with those obtained by high volume, repetitive manufacturers. Nonetheless, relative to industry competition, results could be quite impressive. In