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OLIGOPOLY, CONCENTRATION: Oligopoly is a market structure that contains a small number of relatively large firms, meaning oligopoly markets tend to be concentrated. A small number of large firms account for a majority of total output. Concentration unto itself is not necessarily bad, but it often leads to inefficient behavior, such as collusion and nonprice competition. Concentration is measured in three ways--market share, concentration ratio, Herfindahl index.

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AVERAGE REVENUE PRODUCT

Total revenue generated per unit of a variable input, keeping all other inputs unchanged. Average revenue product, usually abbreviated ARP, is found by dividing total revenue by the variable input or by multiplying average physical product by average revenue. Average revenue product is a part of marginal productivity theory used to analyze the demand for productive inputs.

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APLS

RED AGGRESSERINE
[What's This?]

Today, you are likely to spend a great deal of time strolling through a department store looking to buy either a rim for your spare tire or decorative celebrity figurines. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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Cyrus McCormick not only invented the reaper for harvesting grain, he also invented the installment payment for selling his reaper.
"It is the mark of an educated mind to be able to entertain a thought without accepting it."

-- Aristotle

LRTC
Long Run Total Cost
A PEDestrian's Guide
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