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NET INCOME: A common term for profit, as the difference between total revenue and total cost. When used in the real world of business wheeling and dealing, this notion of net income general refers to accounting profit rather than economic profit. The "net" aspect of net income indicates that some (that something being cost) is deducted from total or "gross" income. Other common terms used in this same context are net revenue and net earnings.

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Lesson 9: Macro Basics | Unit 3: Business Cycles Page: 10 of 16

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  • Business cycles, which are recurring expansions and contractions of the aggregate economy.
  • Expansions as general increases in economic activity and contractions as general decreases in economic activity.
  • An expansion is associated with low or falling unemployment and high or rising inflation, and a contraction is associated with high or rising unemployment and low or falling inflation.
  • Some business cycle causes: consumption, investment, government purchases and taxes, net exports, money, and resource supply considerations.


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HERFINDAHL INDEX

A measure of concentration of the production in an industry calculated as the sum of the squares of market shares for each firm. This is one method of summarizing the degree to which an industry is oligopolistic and the concentration of market control held by the largest firms in the industry. Two other measures of industry concentration are the four-firm concentration ratio and the eight-firm concentration ratio.

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APLS

ORANGE REBELOON
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Today, you are likely to spend a great deal of time wandering around the shopping mall hoping to buy either a lighted magnifying glass or a small, foam rubber football. Be on the lookout for high interest rates.
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This isn't me! What am I?

The wealthy industrialist, Andrew Carnegie, was once removed from a London tram because he lacked the money needed for the fare.
"If things are not going well with you, begin your effort at correcting the situation by carefully examining the service you are rendering, and especially the spirit in which you are rendering it."

-- Roger Babson, statistician and columnist

ACIR
Advisory Council on Intergovernmental Relations
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