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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 REVENUE, PERFECT COMPETITION The change in total revenue resulting from a change in the quantity of output sold. Marginal revenue indicates how much extra revenue a perfectly competitive firm receives for selling an extra unit of output. It is found by dividing the change in total revenue by the change in the quantity of output. Marginal revenue is the slope of the total revenue curve and is one of two revenue concepts derived from total revenue. The other is average revenue. To maximize profit, a perfectly competitive firm equates marginal revenue and marginal cost.
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ORANGE REBELOON
[What's This?]
Today, you are likely to spend a great deal of time driving to a factory outlet hoping to buy either a T-shirt commemorating yesterday or a pair of handcrafted oven mitts. Be on the lookout for fairy dust that tastes like salt.
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The portrait on the quarter is a more accurate likeness of George Washington than that on the dollar bill.
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"The secret of getting things done is to act! " -- Dante Alighieri, poet
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AIC
Akaike's Information Criterion
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