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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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VARIABLES Quantities, usually represented as symbols, that can take on one of a set of values. A variable is "variable" because its value can "vary." A primary goal of economic analysis is to determine the specific value that a variable takes on under specific circumstances.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time wandering around the shopping mall trying to buy either a weathervane with a horse on top or a case of blank recordable DVDs. Be on the lookout for crowded shopping malls.
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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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"Defeat is simply a signal to press onward." -- Helen Keller, lecturer, author
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AEA
American Economic Association
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