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COMPETITION AMONG THE FEW: A market with a small number of sellers (or buyers), such that each seller (or buyer) has some degree of market control. Many think of this type of competition when the term competition arises (the other type is competition among the many). This sort of competition leads to intense rivalry where each participant achieves their objective only by beating the others. I call this track-meet competition. In a track race among a handful of competitors, like a 100 meter sprint, the winner is the fastest of THIS GROUP.

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FOUR-SECTOR AGGREGATE EXPENDITURES LINE

A graphical depiction of the relation between aggregate expenditures by the four macroeconomic sectors (household, business, government, and foreign) and the level of aggregate income or production. The four-sector aggregate expenditures line combines consumption expenditures, investment expenditures, government purchases, and net exports. The slope of this aggregate expenditures line is based on the marginal propensity to consume, adjusted for marginal propensities of the other expenditures that are assumed to be induced when constructing the line. This is one of three aggregate expenditures lines based on the number of sectors included. The others are the two-sector aggregate expenditures line and the three-sector aggregate expenditures line.

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Today, you are likely to spend a great deal of time wandering around the shopping mall hoping to buy either a rechargeable battery for your computer or shoe laces for your snow boots. Be on the lookout for bottles of barbeque sauce that act TOO innocent.
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Okun's Law posits that the unemployment rate increases by 1% for every 2% gap between real GDP and full-employment real GDP.
"There's only one way to succeed in anything, and that is to give everything. "

-- Vince Lombardi

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