dependent demand in a sentence

• Copper stocks, like Cyprus Amax, are cyclical because their profits are driven by economy-dependent demand.
• One of the key insights of this management system was the distinction between dependent demand and independent demand.
• Independent demand is demand which originates outside of the production system, therefore not directly controllable, and dependent demand is demand for components of final products, therefore subject to being directly controllable by management through the bill of materials, via product design.
• It's difficult to see dependent demand in a sentence .