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COLLUSION: A usually secret agreement among competing firms (mostly oligopolistic firms) in an industry to control the market, raise the market price, and otherwise act like a monopoly. The reason for the secrecy is that such behavior is illegal in the United States under antitrust laws. Collusion is a characteristic trait of oligopolistic industries. Intense competition and interdependent decision-making encourages oligopolistic firms to cooperate. One way to lessen the competition among an oligopolistic rival is to join forces through collusion. (The other way is through merger, but that's another entry.)

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ELASTICITY ALTERNATIVES, SUPPLY

Five categories of the price elasticity of supply that reflect the entire range of the relative responsiveness of a change in quantity supplied to a change in price. These five alternatives--perfectly elastic, relatively elastic, unit elastic, relatively inelastic, and perfectly inelastic--are often illustrated by different supply curves. The price elasticity of demand is also reflected by five comparable alternatives.

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APLS

YELLOW CHIPPEROON
[What's This?]

Today, you are likely to spend a great deal of time wandering around the downtown area wanting to buy either a coffee cup commemorating last Friday (you know why) or a wall poster commemorating the first day of spring. Be on the lookout for infected paper cuts.
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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.
"Whenever you fall, pick up something. "

-- Oswald Avery, scientist

WPO
Weakly Pareto Optimal
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