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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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BUYERS' PREFERENCES, DEMAND DETERMINANT The satisfaction that buyers receive from the purchase of a good, which is assumed constant when a demand curve is constructed. Buyers' preferences is one of five demand determinants that shift the demand curve when they change. The other four are buyers' income, other prices, buyers' expectations, and number of buyers.
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time watching infomercials looking to buy either a coffee cup commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki or a rechargeable battery for your cell phone. Be on the lookout for rusty deck screws.
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This isn't me! What am I?
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A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
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"Defeat is not the worst of failures. Not to have tried is the true failure." -- George E. Woodberry, Author
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BOJ
Bank of Japan
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