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PERFECT COMPETITION AND DEMAND: The demand curve for the output produced by a perfectly competitive firm is perfectly elastic at the going market price. The firm can sell all of the output that it wants at this price because it is a relatively small part of the market. As a price taker, the firm has no ability to charge a higher price and no reason to charge a lower one. The market price facing a perfectly competitive firm is also the firm's average revenue and, most importantly, its marginal revenue.

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INJECTIONS-LEAKAGES MODEL

A macroeconomic model that balances non-consumption expenditures on production (injections) and non-consumption uses of income (leakages) that is used to identify the equilibrium level of, and analyze disruptions to, aggregate production and income. The injections-leakages model is based on the principles of Keynesian economics and provides an alternative to the standard aggregate expenditures (Keynesian cross) analysis. The three injections included in the model are investment expenditures, government purchases, and exports. The three leakages included in the model are saving, taxes, and imports. Three variations are the two-sector injections-leakages model (or saving-investment model), three-sector injections-leakages model, and four-sector injections-leakages model.

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BROWN PRAGMATOX
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Today, you are likely to spend a great deal of time wandering around the downtown area wanting to buy either clothing for your pet dog or an ink cartridge for your printer. Be on the lookout for the happiest person in the room.
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The penny is the only coin minted by the U.S. government in which the "face" on the head looks to the right. All others face left.
"There is no point at which you can say, „Well, I'm successful now. I might as well take a nap.¾"

-- Carrie Fisher, actress, writer

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