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May 4, 2016 

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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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VOLUNTARY EXCHANGE: The process of willingly trading one item for another. The emphasis here is on "willingly." Voluntary exchanges are the heart and soul of market transactions, and should be contrasted with the "involuntary" exchanges mandated by government taxes, laws, and regulations. While involuntary government-forced exchanges play an important role in a mixed economy, economists really, really like voluntary market exchanges because they promote economic efficiency.

     See also | exchange | market | price | involuntary exchange | government | taxes | regulation | government functions | mixed economy |


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VOLUNTARY EXCHANGE, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2016. [Accessed: May 4, 2016].


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AGGREGATE SUPPLY SHIFTS

Changes in the aggregate supply determinants shift both the short-run aggregate supply curve and the long-run aggregate supply curve. The mechanism is comparable to that for market supply determinants and market supply. There are two options--an increase in aggregate supply and a decrease in aggregate supply. An increase in resource quantity or quality or a decrease in resource price shifts one or both of the aggregate supply curves to right. A decrease in resource quantity or quality or an increase in resource price shifts one or both of the aggregate supply curves to left.

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APLS

State of the ECONOMY

Real average weekly earnings
November 2015
$365.85 Bureau of Labor Statistics
Constant 1982-84 dollars

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Today, you are likely to spend a great deal of time flipping through the yellow pages wanting to buy either a dozen high trajectory optic orange golf balls or a large red and white striped beach towel. Be on the lookout for a thesaurus filled with typos.
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Approximately three-fourths of the U.S. paper currency in circular contains traces of cocaine.
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