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LONG-RUN MARGINAL COST: The change in the long-run total cost of producing a good or service resulting from a change in the quantity of output produced. Like all marginals, long-run marginal cost is the increment in the corresponding total. What's most notable about long-run marginal cost, however, is that we are operating in the long run. Unlike the short run, in which at least one input is fixed, there are no fixed inputs in the long run. As such, there is only variable cost. This means that long-run marginal cost is the result of changes in the cost of all inputs.

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MONOPOLISTIC COMPETITION, CHARACTERISTICS

The four key characteristics of monopolistic competition are: (1) large number of small firms, (2) similar but not identical products sold by the firms, (3) relative freedom of entry into and exit out of the industry, and (4) extensive knowledge of prices and technology.

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ORANGE REBELOON
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Today, you are likely to spend a great deal of time wandering around the shopping mall looking to buy either an AC adapter that works with your MPG player or rechargeable batteries. Be on the lookout for strangers with large satchels of used undergarments.
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The average length of a "business lunch" is about 36 minutes.
"A leader is most successful when people barely know he exists. When his work is done, his aim fulfilled, his troops will feel they did it themselves. "

-- Lao-Tzu, philosopher

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