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CHANGE IN DEMAND: A shift of the demand curve caused by a change in one of the demand determinants. In essence, a change in demand is caused by any factor affecting demand EXCEPT price. This concept should be contrasted directly with a change in quantity demanded. You should also review the terms change in quantity supplied and change in supply, too. A change in demand is a change in ALL demand price-quantity demanded pairs, meaning that each price is matched up with a different quantity (which is illustrated as a shift of the demand curve). And this change in demand is caused by a change in any of the demand determinants. In contrast, a change in quantity demanded is a change from one price-quantity pair to the another (which is illustrated as a movement along a given demand curve).
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DEADWEIGHT LOSS The decrease in the sum of consumer surplus and producer surplus that results from the imposition of a tax. When a tax drives a wedge between demand price and supply price it disrupts what otherwise would be an efficient market equilibrium. Inefficiency arises because while a portion of the sum of consumer and producer surplus is merely transferred to government, a portion of this sum also disappears. The part that disappears is the deadweight loss and is an indicator of the inefficiency of the tax.
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BLACK DISMALAPOD [What's This?]
Today, you are likely to spend a great deal of time at a dollar discount store seeking to buy either a hepa filter for your furnace or a wall poster commemorating next Thursday. Be on the lookout for a thesaurus filled with typos. Your Complete Scope
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Parker Brothers, the folks who produce the Monopoly board game, prints more Monopoly money each year than real currency printed by the U.S. government.
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"Long-range goals keep you from being frustrated by short-term failures " -- J. C. Penney, Retailer
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AVC Average Variable Cost
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