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ARC ELASTICITY: The average elasticity for discrete changes in two variables, A and B. The distinguishing characteristic of arc elasticity is that percentage changes are calculated based on the average of the initial and ending values of each variable, rather than only initial values. Arc elasticity is generally calculated using the midpoint formula. Arc elasticity should be compared with point elasticity. For infinitesimally small changes in variables A and B, arc elasticity is the same as point elasticity.
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Lesson 7: Market Equilibrium | Unit 1: The Exchange
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Page: 4 of 22
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Competition depends on the number of buyers and sellers.- More buyers creates more competition to acquire a good. Sellers don't have to sell a good below the going price with a lot of buyers willing and able to pay the market price.
Competition prevents buyers from forcing the price down to it's lowest level.- More sellers creates more competition to offer a good for sale. Buyers don't have to buy a good above the going price with a lot of sellers willing and able to sell at the market price.
Competition prevents sellers from forcing the price up to it's highest level.
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TROUGH The transition of a business-cycle contraction to a business-cycle expansion. The end of a contraction carries this descriptive term of trough, or the lowest level of economic activity reached in recent times. A trough is one of two turning points. The other, the transition from expansion to contraction, is a peak. Turning points are important because they represent the transition from bad to good or good to bad.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time going from convenience store to convenience store looking to buy either a set of luggage with wheels or a birthday gift for your aunt. Be on the lookout for telephone calls from former employers.
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The earliest known use of paper currency was about 1270 in China during the rule of Kubla Khan.
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"Never let the fear of striking out get in your way. " -- Babe Ruth
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HIP
Health Insurance Plan
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