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FACTOR DEMAND AND MARGINAL REVENUE PRODUCT: For a firm that hires the services of a factor in a perfectly competitive factor market, the factor demand curve is that portion of the marginal revenue product curve that lies below the average revenue product curve. The relation between marginal revenue product and factor demand for a perfectly competitive firm is comparable to the relation between marginal cost and short-run supply. A perfectly competitive firm maximizes profit by hiring the quantity of a factor that equates factor price and marginal revenue product. As such, the firm moves along it's marginal revenue product curve in response to alternative factor prices.

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WANTS AND NEEDS: These are the unfulfilled desires that motivate human behavior and that when satisfied improve human well-being. They include both physiological or biological requirements for maintaining life (needs) and the psychological desires which make life more enjoyable (wants). However, when push comes to shove, and the nitty gets down to the gritty, it matters very little to markets if people need goods or want goods, so long as they are motivated to buy the goods to satisfy wants and needs.

     See also | wants | satisfaction | unlimited wants and needs | scarcity | limited resources |


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WANTS AND NEEDS, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2026. [Accessed: October 7, 2026].


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AVERAGE REVENUE CURVE, MONOPOLISTIC COMPETITION

A curve that graphically represents the relation between average revenue received by a monopolistically competitive firm for selling its output and the quantity of output sold. Because average revenue is essentially the price of a good, the average revenue curve is also the demand curve for a monopolistically competitive firm's output.

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Today, you are likely to spend a great deal of time flipping through the yellow pages looking to buy either a set of luggage without wheels or a how-to book on wine tasting. Be on the lookout for letters from the Internal Revenue Service.
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In the Middle Ages, pepper was used for bartering, and it was often more valuable and stable in value than gold.
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