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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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FIXED INPUT

An input whose quantity cannot be changed in the time period under consideration. The relevant time period is usually termed the short run. The most common example of a fixed input is capital. The alternative to fixed input is variable input. A fixed input, such as capital, provides the "capacity" constraint for the short-run production of a firm. A variable input, such as labor, provides the means of changing short-run production. As larger quantities of a variable input are added to a fixed input, the variable input becomes less productive, which is the law of diminishing marginal returns.

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YELLOW CHIPPEROON
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Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club seeking to buy either a package of blank rewritable CDs or yellow cotton balls. Be on the lookout for poorly written technical manuals.
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In 1914, Ford paid workers who were age 22 or older $5 per day -- double the average wage offered by other car factories.
"We succeed in enterprises (that) demand the positive qualities we possess, but we excel in those (that) can also make use of our defects."

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