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January 14, 2026 

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PI: The abbreviation for personal income, which is the total income received by the members of the domestic household sector, which may or may not be earned from productive activities during a given period of time, usually one year. Personal income is one of three measures of income reported quarterly (every three months) in the National Income and Product Accounts maintained by the Bureau of Economic Analysis.

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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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APLS

GRAY SKITTERY
[What's This?]

Today, you are likely to spend a great deal of time at a garage sale looking to buy either a large, stuffed giraffe or a birthday greeting card for your aunt. Be on the lookout for malfunctioning pocket calculators.
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A communal society, a prime component of Karl Marx's communist philosophy, was advocated by the Greek philosophy Plato.
"You don't have to be a fantastic hero to do certain things - to compete. You can be just an ordinary chap, sufficiently motivated to reach challenging goals."

-- Sir Edmund Hillary, Explorer

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