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ABSTRACTION: Simplifying the complexities of the real world by ignoring (hopefully) unimportant details while doing economic analysis. Abstraction is often criticized because it's, well, it's JUST NOT REALISTIC. However, when done correctly (ignoring things that JUST DON'T MATTER), then the pursuit of knowledge is greatly enhanced by abstraction. For example, when travelling cross country along a high-speed interstate highway, a paper road map is a handy tool. It shows towns and cities along the way, the major intersections, rest stop locations, and other important points of interest. However, it ignores unimportant details. It doesn't realistically show the location of every tree, bush, or blade of grass. Why bother? This information won't enhance your road trip.
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AVERAGE FIXED COST CURVE A curve that graphically represents the relation between average fixed cost incurred by a firm in the short-run product of a good or service and the quantity produced. This curve is constructed to capture the relation between average fixed cost and the level of output, holding other variables, like technology and resource prices, constant. The average fixed cost curve is one of three average curves. The other two are average total cost curve and average variable cost curve. A related curve is the marginal cost curve.
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The portion of aggregate output U.S. citizens pay in taxes (30%) is less than the other six leading industrialized nations -- Britain, Canada, France, Germany, Italy, or Japan.
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"If anything terrifies me, I must try to conquer it. " -- Francis Charles Chichester, yachtsman, aviator
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SUR
Seemingly Unrelated Regressions
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