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EFFICIENCY: Obtaining the most possible satisfaction from a given amount of resources. Efficiency for our economy is achieved when we can not increase our satisfaction of wants and needs by producing more of one good and less of another. This is one of the five economic goals, specifically one of the two micro goals (the other being equity).

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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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Today, you are likely to spend a great deal of time touring the new suburban shopping complex looking to buy either a package of 3 by 5 index cards, the ones without lines or a blue mechanical pencil. Be on the lookout for slightly overweight pizza delivery guys.
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The New York Stock Exchange was established by a group of investors in New York City in 1817 under a buttonwood tree at the end of a little road named Wall Street.
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