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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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TOTAL COST AND MARGINAL COST

A mathematical connection between marginal cost and total cost stating that marginal cost IS the slope of the total cost curve. This relation between total cost and marginal cost is also seen with total variable cost. The slope of the total variable cost curve is marginal cost, as well. The relation between total cost and marginal cost is but another in the long line of applications of the total-marginal relation.

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APLS

PURPLE SMARPHIN
[What's This?]

Today, you are likely to spend a great deal of time touring the new suburban shopping complex trying to buy either an instructional DVD on learning to the play the oboe or a small, foam rubber football. Be on the lookout for gnomes hiding in cypress trees.
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The average length of a "business lunch" is about 36 minutes.
"Time is the scarcest resource, and unless it is managed nothing else can be managed."

-- Peter F. Drucker

PVCF
Present Value Cash Flow
A PEDestrian's Guide
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