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September 18, 2018 

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MARKET SHARE: The fraction of an industry's total sales accounted for by a single business. In general, market share is a "first-guess" indicator of a firm's market control. If, for example, a company has a market share of 100 percent (that is, a monopoly), then you can rest assured it has a substantial amount of market control. A company with a 25 percent market share has less, but still notable, market control. In fact, when you get right down to the bottom line, the phrase "market share" is only worth mentioning for oligopolistic firms with a significant degree of market control. There really is no market control for a monopolistically competitive firm with a 0.00000001 percent market share.

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Lesson 2: Economic Science | Unit 5: Cause and Effect Page: 17 of 20

Topic: Purpose <=PAGE BACK | PAGE NEXT=>

The purpose of science is to identify the fundamental, basic laws of nature that guide our every moves.
  • The purpose of the scientific method is to explain the world by identifying cause and effect.
  • For every action there is a consequence. And for every consequence there is a cause.
The first step is to identify cause and effect links is correlation:

  • Correlation. If event A causes event B, then event A is correlated with event B. But, correlation does not mean causation. Two events can be correlated, without one causing the other. Note the fallacy of false cause.
  • Time Proximity. Event A and event B must happen at about the same time.
  • Time Sequence. Event A must precede event B. If event B occurs first, then it can't be caused by event A.

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INDEX OF CONSUMER SENTIMENT

A measure of consumer attitudes, preferences, and expectations concerning the state of the economy and business-cycle conditions that is compiled each month by the Survey Research Center at the University of Michigan. The Index of Consumer Sentiment is one of two primary measures of consumer attitudes. The other is the Consumer Confidence Index developed by The Conference Board.

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APLS

BLACK DISMALAPOD
[What's This?]

Today, you are likely to spend a great deal of time watching infomercials hoping to buy either a genuine down-filled pillow or one of those "hang in there" kitty cat posters. Be on the lookout for gnomes hiding in cypress trees.
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This isn't me! What am I?

Lewis Carroll, the author of Alice in Wonderland, was the pseudonym of Charles Dodgson, an accomplished mathematician and economist.
"As the births of living creatures at first are ill-shapen, so are all innovations, which are the births of time. "

-- Sir Francis Bacon, philosopher

ECU
European Currency Unit
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