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ABSTRACTION METHODS: Abstraction is the process of simplifying the complexities of the real world by ignoring (hopefully) unimportant details, especially (for our purposes) while doing economic analysis. Three common methods of actual, real world abstraction used in economic theories are words, graphs, and equations. Words can be misunderstood. Graphs are a little more precise. And equations tend to be the most precise of the three.
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BARTER A method of trading goods, commodities, or services, directly for one another without the use of money. Barter was the first type of market exchanged undertaken by human civilization as people advanced beyond self sufficiency in the satisfaction of their wants and needs. Modern economies still use a modest amount of barter to allocate resources. The key to a barter exchange is a double coincidence of wants, in which each side of the exchange wants what the other side has and has want the other side wants. A barter exchange tends to be less efficient that exchanges involving money.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time browsing about a thrift store seeking to buy either a key chain with a built-in flashlight and panic button or a green and yellow striped sweater vest. Be on the lookout for attractive cable television service repair people.
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This isn't me! What am I?
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
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"It's usually the last ounce of effort that tips the scales of success." -- Rick Beneteau
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Bank Note
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