Derived demand is a term in economics, where
demand for one good or service occurs as a result of demand for another. This may occur as the former is a part of production of the second. For example, demand for coal leads to derived demand for mining, as coal must be mined for coal to be consumed.Demand for
transport is a good example of derived demand, as users of transport are very often consuming the service not because they benefit from consumption directly (except in cases such as pleasure cruises), but because they wish to partake in other consumption elsewhere.Derived demand applies to both consumers and producers. Producers have a derived demand for employees, the employees themselves are not demanded, rather the skills and productivity that they bring.
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the demand for a component or product at the business-to-to business level dependent ('derived from') upon the ultimate demand from the end consumer e.g. the level of demand for car windscreens will depend on the derived demand for cars from the end consumer.
The
demand for each of the
factors of production is often referred to as a "derived" demand to emphasize the fact that the relationship between the factor's price and the quantity of the factor demanded by firms employing it in production is directly dependent on consumer demand for the final product(s) the factor is used to produce. If for some reason (say, for example, a spontaneous shift in consumer tastes) the demand for men's hats increases (shifts to the right) so that more hats than before can be sold at any given price, then the "derived" demand for felt used in making hats will also increase (shift to the right) so that felt-makers will be able to sell more felt at any given price. (We would also expect the hat-makers' demand for the
labor of hatters and for specialized hat-making machinery to shift to the right in a similar fashion in response to the public's greater
demand for hats.)
What is the mechanism by which a shift in demand for the final product is translated into a shift in
demand for the
factors of production used in its manufacture? The key is the change in the price of the final product brought about by the shift in
demand for it. If the
demand curve for hats shifts to the right and the (upwardly sloping)
supply curve remains unchanged, then the equilibrium price and quantity in the hat market will now involve both a somewhat higher price for hats and a somewhat larger quantity of hats being produced and sold to the public. (Because of the price rise, the marginal revenues earned by the manufacturers per additional hat sold will be higher, so consequently their desire to maximize profits will lead them to produce additional hats until the marginal cost for the last hat rises to equal the new higher price.) But producing more hats than before will require more of the relevant
factors of production than before, which they will want to purchase from their suppliers, shifting the
demand curves for each of the factors to the right. (This increase in
demand for the factors in turn will tend to raise the factor prices somewhat and to increase the quantity of them sold, which then affects the factor producers' demand for their own necessary inputs and brings about further price-and-quantity adjustments throughout the economy in an ever-widening ripple effect.)
[See also:
factors of production demand demand, law of demand curve demand schedule supply supply, law of supply curve supply schedule marginal analysis ]
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