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INJECTION: A non-consumption expenditure on gross domestic product, including investment expenditures, government purchases, and exports. Injections are combined with leakages in the injection-leakage model used to identify equilibrium aggregate output in Keynesian economics. The notion of injection is best viewed through the circular flow, in which investment expenditures, government purchases, and exports are "injected" into the main flow between output, factor payments, national income, and consumption.

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PERFECT COMPETITION, 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 its positively-sloped marginal cost curve in response to changing prices.

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YELLOW CHIPPEROON
[What's This?]

Today, you are likely to spend a great deal of time flipping through the yellow pages looking to buy either a cross-cut paper shredder or a birthday greeting card for your father. Be on the lookout for door-to-door salesmen.
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This isn't me! What am I?

A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
"I love the man who can smile in trouble, who can gather strength from distress and grow brave by reflection. "

-- Thomas Paine, statesman

LBO
Leveraged Buyout
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