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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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PERFECT COMPETITION, LOSS MINIMIZATION

A perfectly competitive firm is presumed to produce the quantity of output that minimizes economic losses, if price is greater than average variable cost but less than average total cost. This is one of three short-run production alternatives facing a firm. The other two are profit maximization (if price exceeds average total cost) and shutdown (if price is less than average variable cost).

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[What's This?]

Today, you are likely to spend a great deal of time driving to a factory outlet hoping to buy either a battery-powered, rechargeable vacuum cleaner or a remote controlled World War I bi-plane. Be on the lookout for mail order catalogs with hidden messages.
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The New York Stock Exchange was established by a group of investors in New York City in 1817 under a buttonwood tree at the end of a little road named Wall Street.
"Nobody can be successful unless he loves his work. "

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Exponential Generalized Autoregressive Conditional Heteroskedasticity
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