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PERFECT COMPETITION AND EFFICIENCY: Perfect competition is the idealized market structure that achieves an efficient allocation of resources. The conditions of perfect competition, including (1) large number of small firms, (2) identical products sold by all firms, (3) freedom of entry into and exit out of the industry, and (4) perfect knowledge of prices and technology, ensure that perfect competition efficiently allocates resources. This is in fact the purpose of perfect competition: a market structure that illustrates perfection, the best of all possible resource allocation worlds. The real world falls short of this perfection.

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MARGINAL REVENUE

The change in total revenue resulting from a change in the quantity of output sold. Marginal revenue indicates how much extra revenue a firm receives for selling an extra unit of output. It is found by dividing the change in total revenue by the change in the quantity of output. Marginal revenue is the slope of the total revenue curve and is one of two revenue concepts derived from total revenue. The other is average revenue. To maximize profit, a firm equates marginal revenue and marginal cost.

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APLS

ORANGE REBELOON
[What's This?]

Today, you are likely to spend a great deal of time driving to a factory outlet seeking to buy either a box of multi-colored, plastic paper clips or several orange mixing bowls. Be on the lookout for slow moving vehicles with darkened windows.
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This isn't me! What am I?

The word "fiscal" is derived from a Latin word meaning "moneybag."
"I can't change the direction of the wind, but I can adjust my sails to always reach my destination."

-- Jimmy Dean

BJE
Bell Journal of Economics
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