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MARKET SHARE: The fraction of an industry's total sales accounted for by a single business. In general, market share is a "first-guess" indicator of a firm's market control. If, for example, a company has a market share of 100 percent (that is, a monopoly), then you can rest assured it has a substantial amount of market control. A company with a 25 percent market share has less, but still notable, market control. In fact, when you get right down to the bottom line, the phrase "market share" is only worth mentioning for oligopolistic firms with a significant degree of market control. There really is no market control for a monopolistically competitive firm with a 0.00000001 percent market share.

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PRICE ELASTICITY OF DEMAND

The relative response of a change in quantity demanded to a change in price. More specifically the price elasticity of demand is the percentage change in quantity demanded due to a percentage change in price. This notion of elasticity captures the demand side of the market. A comparable elasticity on the supply side is the price elasticity of supply. Other notable demand elasticities are income elasticity of demand and cross elasticity of demand.

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APLS

BLACK DISMALAPOD
[What's This?]

Today, you are likely to spend a great deal of time calling an endless list of 800 numbers seeking to buy either a large, stuffed kitty cat or a cross-cut paper shredder. Be on the lookout for florescent light bulbs that hum folk songs from the sixties.
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Post WWI induced hyperinflation in German in the early 1900s raised prices by 726 million times from 1918 to 1923.
"He who hesitates is poor. "

-- Mel Brooks, writer, director, comedian

ACRS
Accelerated Cost Recovery System
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