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268.1
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Which good is best exchanged through a market?
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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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VARIABLE INPUT: An input whose quantity can be changed in the time period under consideration. This should be immediately compared and contrasted with fixed input. The most common example of a variable input is labor. A variable input provides the extra inputs that a firm needs to expand short-run production. In contrast, a fixed input, like capital, provides the capacity constraint in production. As larger quantities of a variable input, like labor, are added to a fixed input like capital, the variable input becomes less productive. This is, by the way, the law of diminishing marginal returns. See also | input | output | fixed input | short-run production | law of diminishing marginal returns |
Recommended Citation:VARIABLE INPUT, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2010. [Accessed: February 9, 2010].
AmosWEB Encyclonomic WEB*pedia:Additional information on this term can be found at: WEB*pedia: variable input
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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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State of the ECONOMY
Median weekly earnings
Fourth Quarter 2009
$748
Up 2.7% from last year's 4th Qtr. Source: BLS
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time driving to a factory outlet wanting to buy either a birthday gift for your grandmother or a T-shirt commemorating yesterday. Be on the lookout for slightly overweight pizza delivery guys.
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This isn't me! What am I?
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"Do you want to be safe and good, or do you want to take a chance and be great?" -- Jimmy Johnson, Football Coach
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APR
Annual Percentage Rate
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