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LRMC: The abbreviation for long-run marginal cost, which is 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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MARKET STRUCTURES

The manner in which markets or industries are organized, based largely on the number of participants in the market or industry and the extent of market control of each participant. Perfect competition represents the benchmark market structure that contains a large number of participants on both sides of the market, and no market control by any firm. Three market structure models with varying degrees of market control on the supply side of the market are: monopoly, monopolistic competition, and oligopoly. Three lesser known market structures with varying degrees of market control on the demand side of the market are: monopsony, oligopsony, and monopsonistic competition.

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ORANGE REBELOON
[What's This?]

Today, you are likely to spend a great deal of time wandering around the shopping mall wanting to buy either a dozen high trajectory optic orange golf balls or a large red and white striped beach towel. Be on the lookout for celebrities who speak directly to you through your television.
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This isn't me! What am I?

A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
"The majority of men meet with failure because of their lack of persistence in creating new plans to take the place of those that fail. "

-- Napoleon Hill, author

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