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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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INTERCEPT, AGGREGATE EXPENDITURES LINE The intercept of the aggregate expenditures line indicates autonomous expenditures, aggregate expenditures that do not depend on the level of income or production. This can be thought of as aggregate expenditures that the four macroeconomic sectors (household, business, government, and foreign) undertake regardless of the state of the economy. Autonomous expenditures are affected by the aggregate expenditures determinants, which cause a change in the intercept and a shift of the aggregate expenditures line.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors looking to buy either a printer that works with your stockpile of ink cartridges or income tax software. Be on the lookout for poorly written technical manuals.
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This isn't me! What am I?
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The 1909 Lincoln penny was the first U.S. coin with the likeness of a U.S. President.
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"The majority of men meet with failure because of their lack of persistence in creating new plans to take the place of those that fail. " -- Napoleon Hill, author
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HSB
High School and Beyond
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