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PERFECT COMPETITION AND SHORT-RUN SUPPLY CURVE: A perfectly competitive firm's supply curve is that portion of its' marginal cost curve that lies above the minimum of the average variable cost curve. A perfectly competitive firm maximizes profit by producing the quantity of output that equates price and marginal cost. As such, the firm moves along it's marginal cost curve in response to alternative prices. Because the marginal cost curve is positively sloped due to the law of diminishing marginal returns, the firm's supply curve is also positively sloped.
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INJECTIONS LINE A graphical representation of the relation between the level of aggregate production and one or more injections. The three injections (non-consumption expenditures on aggregate production) are investment expenditures, government purchases and exports. The injections line sequentially adds, or layers, each of these three expenditures depending on the number of sectors used in the analysis (two, three, or four). The slope of the injections line depends on which if any of the expenditures are induced by aggregate production. The injections line is combined with the leakages line (containing saving, taxes, and imports) in the Keynesian injections-leakages model.
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ORANGE REBELOON
[What's This?]
Today, you are likely to spend a great deal of time at a dollar discount store hoping to buy either a set of hubcaps or handcrafted decorations to hang on your walls. Be on the lookout for celebrities who speak directly to you through your television.
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The earliest known use of paper currency was about 1270 in China during the rule of Kubla Khan.
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"You just don't luck into things as much as you'd like to think you do. You build step by step, whether it's friendships or opportunities. " -- Barbara Bush, first lady
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RTA
Regional Trading Arrangement
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