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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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TWO-SECTOR, THREE-MARKET CIRCULAR FLOW

A circular flow model of the macroeconomy containing two sectors (business and household) and three markets (product, factor, and financial) that illustrates the continuous movement of the payments for goods and services between producers and consumers, with particular emphasis on saving, investment, and the role of financial markets. Other circular models are two-sector, two-market circular flow; three-sector, three-market circular flow; and four-sector, three-market circular flow.

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APLS

GRAY SKITTERY
[What's This?]

Today, you are likely to spend a great deal of time looking for the new strip mall out on the highway trying to buy either any book written by Isaac Asimov or a how-to book on building remote controlled airplanes. Be on the lookout for poorly written technical manuals.
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This isn't me! What am I?

On a typical day, the United States Mint produces over $1 million worth of dimes.
"Luck is what happens when preparation meets opportunity. "

-- Seneca, Roman philosopher

ASEAN
Association of South East Asian Nations
A PEDestrian's Guide
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