Intractable problems are usually not intractable because there are no solutions, but because there are no solutions without severe side effects.
“Why is management suddenly so interested in plumbing problems?” one manager asked another as they both read a memo from the vice president.
The second manager looked puzzled. Then he realized what the problem was. “No, you misunderstood. The memo says that we need to work on our value chain, not our valve chain.”
The value chain is a concept defining levels of both quality control and process management. Just as the better known supply chain has to be carefully controlled to prevent process defects, the value chain also requires careful quality ...