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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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SERVICE Activities that provide direct satisfaction of wants and needs without the production of tangible products or goods. Like the related term good, a service is produced using society's resources and represents a fundamental aspect of the economy. Limited resources are used to produce the services that satisfy unlimited wants and needs in an ongoing effort to address the problem of scarcity.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time at a dollar discount store hoping to buy either a really, really exciting, action-filled video game or a coffee cup commemorating the moon landing. Be on the lookout for jovial bank tellers.
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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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"Defeat is simply a signal to press onward." -- Helen Keller, lecturer, author
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SUR
Seemingly Unrelated Regressions
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