Answer:
Derived Demand
Explanation:
Derived Demand
Derived demand is a need for a good or service that arises from a demand of another related good or service. Mobile phones are very important gadgets and an increase in the demand will result in increased demand for phone accessories. The chain of derived demand is the process that describes how goods go from raw materials to industrial materials which are used by manufactures to produce consumer goods.
Lumber is used as a construction material, this implies that when the demand for new home arises, the demand for lumber increases.
