A mathematical curve, drawn on a graph, that represents what the demand for a commodity would be if its price ranged anywhere from zero to infinity. The point at which it intersects the supply curve for the same commodity supposedly establishes the price of the commodity in a free market. (See supply and demand.)
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How to use demand curve in a sentence
Take a look at this: This is a negative sloping demand curve.Spousonomics: How Economics Can Help Figure Out Your Marriage | Paula Szuchman, Jenny Anderson | January 31, 2011 | THE DAILY BEAST
The new position of equilibrium will be given by the point P', where ss' cuts DD', the demand curve.Supply and Demand | Hubert D. Henderson
There is a demand-schedule, which, plotted, would give a demand-curve.
It is enough that the demand-curve be recognized as expressing economic significance, and diminishing economic significance.
The two independent causes, then, are summed up in the supply-curve and the demand-curve.
The demand curve expresses graphically what a man would be willing to pay at each particular stage in the increase of goods.The Principles of Economics | Frank A. Fetter