The demand for wood and labour is an example of______

The demand for wood and labor is an example of "derived demand." This means that the demand for these goods and services is derived from the demand for another product or service that they are used to produce. For example, if there is an increase in demand for housing, there will be a derived demand for wood and labor to build the houses. The demand for wood and labor is not a direct demand from consumers, but rather a demand that is derived from the demand for housing. Similarly, the demand for coal is derived from the demand for electricity, and the demand for steel is derived from the demand for construction and manufacturing. Derived demand is an important concept in economics, as it helps to explain the interdependence of different industries and the ripple effects that changes in one industry can have on others.