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MARKET FAILURES: Conditions in which a market does not efficiently allocate resources to achieve the greatest possible consumer satisfaction. The four main market failures are--(1) public good, (2) market control, (3) externality, and (4) imperfect information. In each case, a market acting without any government imposed direction, does not direct an efficient amount of our resources into the production, distribution, or consumption of the good.

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AGGREGATE EXPENDITURES

The total expenditures on gross domestic product undertaken in a given time period by the four sectors--household, business, government, and foreign. Expenditures made by each of these sectors are commonly termed consumption expenditures, investment expenditures, government purchases, and net exports. Aggregate expenditures (AE) are a cornerstone in the study of macroeconomics, playing critical roles in Keynesian economics, aggregate market analysis, and to a lesser degree, monetarism. In particular, aggregate expenditures are combined with the price level as aggregate demand.

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APLS

BLUE PLACIDOLA
[What's This?]

Today, you are likely to spend a great deal of time driving to a factory outlet trying to buy either a set of serrated steak knives, with durable plastic handles or a pair of blue silicon oven mitts. Be on the lookout for fairy dust that tastes like salt.
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On a typical day, the United States Mint produces over $1 million worth of dimes.
"People of mediocre ability sometimes achieve outstanding success because they don't know when to quit. "

-- George Allen, U.S. senator

WLLN
Weak Law of Large Numbers
A PEDestrian's Guide
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