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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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PRODUCT DIFFERENTIATION

Slight differences that exist between two or more goods that are essentially the same and which satisfy the same basic want or need. This is generally pursued in monopolistic competition and oligopoly by firms seeking to increase sales and profit. Many of the best known businesses in the economy practice product differentiation to gain an advantage on the competition and to acquire a bit of market control. For example, Coca-Cola and Pepsi-Cola are very similar, but each has a few differences in terms of taste, packaging, and esteem.

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Today, you are likely to spend a great deal of time strolling through a department store hoping to buy either an electric coffee pot with automatic shutoff or a brown leather attache case. Be on the lookout for neighborhood pets, especially belligerent parrots.
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The first U.S. fire insurance company was established by Benjamin Franklin in 1752 in Philadelphia.
"Being defeated is only a temporary condition; giving up is what makes it permanent."

-- Marilyn vos Savant, Author

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