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PERFECT COMPETITION, REVENUE DIVISION: The marginal approach to analyzing a perfectly competitive firm's short-run profit maximizing production decision can be used to identify the division of total revenue among variable cost, fixed cost, and economic profit. The U-shaped cost curves used in this analysis provide all of the information needed on the cost side of the firm's decision. The demand curve facing the firm (which is also the firm's average revenue and marginal revenue curves) provides all of the information needed on the revenue side.

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AGGREGATE DEMAND CURVE

A graphical representation of the relation between aggregate expenditures on real production and the price level, holding all ceteris paribus aggregate demand determinants constant. The aggregate demand (AD) curve is one side of the graphical presentation of the aggregate market. The other side is occupied by the long-run aggregate supply curve and/or the short-run aggregate supply curve. The negative slope of the aggregate demand curve captures the inverse relation between aggregate expenditures on real production and the price level. This negative slope is attributable to the interest-rate, real-balance, and net-export effects.

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APLS

WHITE GULLIBON
[What's This?]

Today, you are likely to spend a great deal of time wandering around the downtown area looking to buy either a coffee cup commemorating next Thursday or a replacement remote control for your stereo system. Be on the lookout for jovial bank tellers.
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This isn't me! What am I?

Lewis Carroll, the author of Alice in Wonderland, was the pseudonym of Charles Dodgson, an accomplished mathematician and economist.
"The best way to cheer yourself up is to try to cheer somebody else up."

-- Mark Twain

JRE
Journal of Regulatory Economics
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