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INJECTION LINE: A line used in the injection-leakage model representing the relation between non-consumption expenditures (that is, injections) and national income. The three injections are investment expenditures, government purchases, and exports. The foundation of the injection line is the investment line, which is then enhanced by adding government purchases and exports. The other part of the injection-leakage model is a line representing leakages. The intersection of the injection and leakage lines identifies equilibrium aggregate output, or Keynesian equilibrium.

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MARGINAL REVENUE CURVE, MONOPOLY

A curve that graphically represents the relation between the marginal revenue received by a monopoly for selling its output and the quantity of output sold. Because a monopoly is a price maker and faces a negatively-sloped demand curve, its marginal revenue curve is also negatively sloped and lies below its average revenue (and demand) curve. A monopoly maximizes profit by producing the quantity of output found at the intersection of the marginal revenue curve and marginal cost curve.

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Today, you are likely to spend a great deal of time at a dollar discount store wanting to buy either a T-shirt commemorating the second moon landing or a coffee cup commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki. Be on the lookout for strangers with large satchels of used undergarments.
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The word "fiscal" is derived from a Latin word meaning "moneybag."
"Always vote for principle, though you may vote alone, and you may cherish the sweetest reflection that your vote is never lost. "

-- John Quincy Adams, 6th US president

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