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OLIGOPOLY: A market structure dominated by a small number of large firms, selling either identical or differentiated products, and significant barriers to entry into the industry. This is one of four basic market structures. The other three are perfect competition, monopoly, and monopolistic competition.

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INCREASING-COST INDUSTRY

A perfectly competitive industry with a positively-sloped long-run industry supply curve that results because expansion of the industry causes higher production cost and resource prices. An increasing-cost industry occurs because the entry of new firms, prompted by an increase in demand, causes the long-run average cost curve of each firm to shift upward, which increases the minimum efficient scale of production.

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BEIGE MUNDORTLE
[What's This?]

Today, you are likely to spend a great deal of time watching the shopping channel looking to buy either a birthday greeting card for your father or a T-shirt commemorating the first day of spring. Be on the lookout for neighborhood pets, especially belligerent parrots.
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Lewis Carroll, the author of Alice in Wonderland, was the pseudonym of Charles Dodgson, an accomplished mathematician and economist.
"Lead the life that will make you kindly and friendly to everyone about you, and you will be surprised what a happy life you will lead."

-- Charles M. Schwab

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