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EIGHT-FIRM CONCENTRATION RATIO: The proportion of total output in an industry that's produced by the eight largest firms in the industry. This is one of two common concentration ratios. The other is the four-firm concentration ratio. The eight-firm concentration ratio is commonly used to indicate the degree to which an industry is oligopolistic and how market control is held by the eight largest firms in the industry.

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VARIABLE COST

In general, cost that changes with changes in the quantity of output produced. More specifically, variable cost is combined with the adjectives "total" and "average" to indicate the overall level of variable cost or the per unit variable cost. Variable cost depends on the amount produced. If there is no production, then there is no variable cost.

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Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club seeking to buy either a coffee cup commemorating yesterday or a replacement remote control for your television. Be on the lookout for deranged pelicans.
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Rosemary, long associated with remembrance, was worn as wreaths by students in ancient Greece during exams.
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