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cost of poor quality
Cost of poor quality (COPQ) or poor quality costs (PQC), are costs that would disappear if systems, processes, and products were perfect.
COPQ was popularized by IBM quality expert H. James Harrington in his 1987 book ''Poor Quality Costs''.
COPQ is a refinement of the concept of quality costs. In the 1960s, IBM undertook an effort to study its own quality costs and tailored the concept for its own use. While Feigenbaum's term "quality costs" is technically accurate, it's easy for the uninitiated to jump to the conclusion that better quality products cost more to produce. Harrington adopted the name "poor quality costs" to emphasize the belief that investment in detection and prevention of product failures is more than offset by the savings in reductions in product failures.
Harrington decomposes COPQ into the following elements:
==Examples==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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