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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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DEMAND AND SUPPLY DECREASE A simultaneous decrease in the willingness and ability of buyers to purchase a good at the existing price, illustrated by a leftward shift of the demand curve, and a decrease in the willingness and ability of sellers to sell a good at the existing price, illustrated by a leftward shift of the supply curve. When combined, both shifts result in a decrease in equilibrium quantity and an indeterminant change in equilibrium price.
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BLUE PLACIDOLA
[What's This?]
Today, you are likely to spend a great deal of time strolling through a department store hoping to buy either a replacement nozzle for your shower or a decorative windchime with plastic . Be on the lookout for jovial bank tellers.
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In the Middle Ages, pepper was used for bartering, and it was often more valuable and stable in value than gold.
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"How wonderful it is that nobody need wait a single moment before starting to improve the world. " -- Anne Frank, diarist
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VAT
Value Added Tax
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