Modeling is used to explore the costs of inspection relative to other costs in the ZQC domain. Results show that the failsafing or the necessary inspection needed for 100% inspection must be relatively low with respect to repair costs or traditional inspection.
failsafing devices, inspection economics, zero quality control (ZQC), paka-yoke, mistake-proofing, statistical process control (SPC)
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Grout, John R. and Downs, Brian T., "An Economic Analysis of Inspection Costs for Failsafing Attributes" (1995). Working Papers. 176.