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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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MARGINAL UTILITY The additional utility obtained from the consumption or use of an additional unit of a good. It is specified as the change in total utility divided by the change in quantity. Marginal utility indicates what each additional unit of a good is worth to a consumer and provides a theoretical basis for understanding market demand and the law of demand. Marginal utility generally declines with increased consumption of a good, a reflection of the law of diminishing marginal utility.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time at a crowded estate auction wanting to buy either a large red and white striped beach towel or a bottle of blackcherry flavored spring water. Be on the lookout for telephone calls from former employers.
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The average bank teller loses about $250 every year.
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"Do something wonderful; people may imitate it. " -- Albert Schweitzer, theologian, physician
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IER
International Economic Review
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