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MARKET SHOCK: A disruption of market equilibrium (that is, a market adjustment) caused by a change in a demand determinant (and a shift of the demand curve) or a change in a supply determinant (and a shift of the supply curve). A market shock can take one of four forms--an demand increase, demand decrease, supply increase, or supply decrease. An increase is seen as a rightward shift of either curve and results in an increase in equilibrium quantity. A decrease is a leftward shift of either curve and results in a decrease in equilibrium quantity. However, a change in demand results in price and quantity to change in the same direction, while a change in supply causes equilibrium price to move the opposite direction as quantity.
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ARC ELASTICITY The average elasticity for discrete changes in two variables. The distinguishing characteristic of arc elasticity is that percentage changes are calculated based on the average of initial and ending values of each variable, rather than initial values. Arc elasticity is generally calculated using the midpoint elasticity formula. The contrast to arc elasticity is point elasticity. For infinitesimally small changes in two variables, arc elasticity is the same as point elasticity.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time strolling through a department store trying to buy either a rechargeable battery for your cell phone or a T-shirt commemorating the 2000 Olympics. Be on the lookout for high interest rates.
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The portrait on the quarter is a more accurate likeness of George Washington than that on the dollar bill.
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"One worthwhile task carried to a successful conclusion is worth half-a-hundred half-finished tasks. " -- Malcolm S. Forbes, publisher
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GMB
Good Merchandise Brand
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