derived demand
demand for a factor of production that occurs as a result of the demand for another (e.g. final) good
en-US/dɚˈaɪvd dɪˈmænd/
en-GB/dɪˈɹaɪvd dɪˈmɑːnd/
demand for a factor of production that occurs as a result of the demand for another (e.g. final) good