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VALUE-ADDED TAX: A tax on the extra value added during each stage in the production of a good. Most of the stuff our economy produces goes through several "stages," usually with different businesses. In each stage, resources do their thing to the good to make it a little more valuable. For example, an ice cream store can take 50 cents worth of ice cream, fudge, and whipped topping and turn it into a hot fudge sundae that's valued at $1.50. The efforts of the ice cream resources thus add $1 in value. A value-added tax is based on this extra value. While it's been debated off and on in the United States, a value-added tax is commonly used in Europe.

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DUOPOLY

An oligopoly market structure containing exactly two firms. As an oligopoly, duopoly exhibits the oligopolistic characteristics and undertakes oligopolistic behavior, such as barriers to entry, interdependent actions, and nonprice competition. While duopoly, in its purest form of EXACTLY two firms in the industry, is seldom found in the real world, it does provide an excellent, easy to use illustration of oligopoly. In fact, most instructional analysis of oligopoly generally assumes a two-firm, duopoly market.

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Today, you are likely to spend a great deal of time at a dollar discount store seeking to buy either a flower arrangement with daisies and carnations for your uncle or a coffee cup commemorating next Thursday. Be on the lookout for poorly written technical manuals.
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Okun's Law posits that the unemployment rate increases by 1% for every 2% gap between real GDP and full-employment real GDP.
"How we spend our days is, of course, how we spend our lives. "

-- Annie Dillard, essayist

IIA
Irrelevance of Independent Alternatives
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