demand
in economics, the quantity of a good that consumers are willing and able to purchase at various prices during a given time
effective demand
demand in a constrained marketplace
derived demand
demand for a factor of production that occurs as a result of the demand for another (e.g. final) good
labour demand
concept in economics describing the number of labor-hours an employer is willing to hire
domestic demand
Demand for consumer and capital goods within a domestic market and thus a part of total demand