March 23, 2018 

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BLACK MARKET: An illegal market in which the price of the goods sold is above a legally set maximum price. A black market invariable results whenever the government imposes a price ceiling on a good. A common example of a price ceiling is rent controls on apartments in many large cities. Although landlords cannot "legally" rent apartments for more than the specified maximum, they often do so "illegally" by charging "finders fees" and "tenant association dues." In so doing, they have entered into the realm of black markets.

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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.

     See also | injection-leakage model | leakage | investment expenditures | government purchases | export | injection line | leakage line | Keynesian equilibrium | aggregate output |

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Five categories of elasticity that form a continuum indicating the relative responsiveness of a change in one variable (usually quantity demanded or quantity supplied) to a change in another variable (usually price). These five alternatives--perfectly elastic, relatively elastic, unit elastic, relatively inelastic, and perfectly inelastic--are most often used to categorize the price elasticity of demand and the price elasticity of supply.

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Today, you are likely to spend a great deal of time searching the newspaper want ads wanting to buy either a birthday gift for your uncle or a pair of red and purple designer socks. Be on the lookout for mail order catalogs with hidden messages.
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Junk bonds are so called because they have a better than 50% chance of default, carrying a Standard & Poor's rating of CC or lower.
"It is not the straining for great things that is most effective; it is the doing of the little things, the common duties, a little better and better."

-- Elizabeth Stuart Phelps, Writer

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