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The need or desire for a good, service, or asset among consumers at a given price. The amount of demand at a given price is determined by supply and the availability of similar or replacements goods and services, among other factors. While demand for some staple products is relatively constant regardless of price, most of the time the price has a large influence on the level of demand. Demand for a good or service tends to increase as its price decreases. See also: Law of supply and demand, Demand curve.


the amount of a product which is purchased at a particular price at a particular point in time. A demand curve is a line showing the relationship between the price of a product and the quantity demanded per time period over a range of possible prices. Demand curves are usually downward sloping, indicating that as the price of the product falls, more is demanded. The extent to which the demand for a product will increase as price falls (and the extent to which demand will drop if the price rises) depends on the product's price-ELASTICITY OF DEMAND. The demand for a product, however, is determined also by a variety of non-price factors. A demand function attempts to incorporate all the factors that have a statistically. significant influence on demand for example, consumers' incomes, the prices of substitute products, advertising, etc. Demand curves will shift if any of these factors change over time.

In practice, firms are unable to derive definitive demand curves because of incomplete information. For this reason many firms use a COST-BASED PRICING formula for determining prices, but allow for the influence of demand by varying the profit mark-up (see DEMAND-BASED PRICING, COMPETITION-BASED PRICING).

There are various methods a firm can use to ‘forecast’ demand, including time series analysis, barometric indicators and econometric models. See SALES FORECASTING.



effective demand

the WANT, need or desire for a product backed by the money to purchase it. In economic analysis, demand is always based on ‘willingness and ability to pay’ for a product, not merely want or need for the product. CONSUMERS’ total demand for a product is reflected in the DEMAND CURVE. Compare SUPPLY.
References in periodicals archive ?
Les deputes ont toujours eu pour fonction de demander des comptes au gouvernement, mais ils doivent reconnaitre que, dans le monde d'aujourd'hui, ils doivent eux-memes repondre au public du serieux avec lequel ils exercent leur role d'enquete et de controle et de leurs intentions derriere les interventions qui se repercutent sur la justice sociale.
But once they follow the entrepreneurial lead, the demander who initiated the price increase will be driven off the demand curve once again (Point C in Figure 9), as suppliers find other buyers offering the same (or higher) prices.
1] represents the indifference point for the demander between songs one and two, and [X.
Synergistic linkage refers to the demander country's tactic to threaten (credibly) the interests of a powerful target country constituency if its demands are not met.
The demanders, on the other hand, choose products according to subjectively perceived features, so that the market which is defined from the point of view of the supplier may be either too narrow or unsuitable.
There is no dominant strategy in SB, but in our single-unit demand treatment, if all bidders are risk neutral, it is a symmetric Bayes-Nash equilibrium for each demander to submit a bid equal to two-thirds of his valuation.
Qu'attend le [beaucoup moins que]Superman[beaucoup plus grand que] de la guerre contre la corruption pour demander des comptes?
Bawsala a indique dans ce rapport qu'elle controle les finances publiques dans le cadre de la transparence et le droit d'acces a l'information, pour consolider le droit de toutes les organisations et les individus a suivre et demander des comptes a l'action du gouvernement et du parlement sur tout ce qui touche les choix economiques et financiers.
En effet, organisant une marche pacifique pour demander l'ouverture du capital de la SSPA/CRB, des supporters du club ont ete contraints de mettre fin a leur action.
Un mendiant qui faisait du porte-a- porte pour demander l'aumone dans la region de Sers au Kef a ete agresse lundi a la tete par une femme.
Par Ingi Amr Les coupures de courant sont devenues une pure quotidiennete a tel point que si un jour le courant est stable on commence a se demander [beaucoup moins que]mais qu'est-ce qu'il y a ?