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PATENT: The guaranteed ownership and control of an invention, innovation, or production technique by government for a period of time (currently 17 years). A patent gives the owner the exclusive rights to sell, market, license, or otherwise generate revenue from an invention, innovation, or production technique. Patents are designed to encourage inventions and other developments that promote technological advances. However, they are also an entry barrier and lead to market control.

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MARGINAL COST

The change in total cost (or total variable cost) resulting from a change in the quantity of output produced by a firm in the short run. Marginal cost (MC) indicates how much total cost changes for a given change in the quantity of output. Because changes in total cost are matched by changes in total variable cost in the short run (total fixed cost is fixed), marginal cost is the change in either total cost or total variable cost. It is found by dividing the change in total cost (or total variable cost) by the change in output. Marginal cost is one of four cost concepts used in short-run production analysis. The other three are average total cost, average fixed cost, and average variable cost.

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BROWN PRAGMATOX
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Today, you are likely to spend a great deal of time at the confiscated property police auction wanting to buy either a T-shirt commemorating yesterday or a pair of handcrafted oven mitts. Be on the lookout for fairy dust that tastes like salt.
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The Dow Jones family of stock market price indexes began with a simple average of 11 stock prices in 1884.
"A leader is most successful when people barely know he exists. When his work is done, his aim fulfilled, his troops will feel they did it themselves. "

-- Lao-Tzu, philosopher

DPI
Disposable Personal Income
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