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EXCHANGE RATE MECHANISM: The system used to link the euro to the currencies of European Union member nations that do not immediately participate in the use of the euro. Linkages with these non-participating European Union member nations is voluntary, but designed to ease their transition into full-blown use of the euro.

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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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DEMAND-DRIVEN BUSINESS CYCLES

Business-cycle instability caused by changes in one or more of the four aggregate demand expenditures on gross domestic production--consumption expenditures, investment expenditures, government purchases, and net exports. This is one of two basic types of business cycles--the other being supply-driven business cycles. Demand-driven business cycles tend to be the more common of the two types.

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GRAY SKITTERY
[What's This?]

Today, you are likely to spend a great deal of time flipping through mail order catalogs trying to buy either a coffee cup commemorating the moon landing or a how-to book on surfing the Internet. Be on the lookout for florescent light bulbs that hum folk songs from the sixties.
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This isn't me! What am I?

A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
"Sometimes when you innovate, you make mistakes. It is best to admit them quickly and get on with improving your other innovations. "

-- Steve Jobs, Apple Computer founder

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