When managers managed with a spreadsheet rather than real-world knowledge about what was actually going on in the factory and what were its possibilities, they overlooked hidden costs of the erosion of skills, the loss of quality and constraints on innovation.

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When managers manage with a spreadsheet rather than real-world knowledge about what is actually going on in the factory and what were its possibilities, they overlook hidden costs of the erosion of skills, the loss of quality and constraints on innovation.

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