Author Archives: Greg Spira

When someone wants to change a plan number, the questions to ask are: “Why? Which assumption has changed, and is there agreement on the impact of the changed assumption?” Think about the demand planner when someone instructs that a planning number be changed without explanation. (By the way, the same goes for supply planners.) TheContinue reading “Overriding the Demand Plan”

Leaders, like most people, make decisions and operate on that which they trust. If they don’t trust the demand plan, they will most likely adjust, override, or ignore it. How should we measure the trustworthiness of a demand plan? Forecast accuracy is where many would start, but measuring bias is the more fundamental and importantContinue reading “Trust in the Demand Plan”