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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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INVESTMENT

The sacrifice of current benefits or rewards to pursue an activity with expectations of greater future benefits or rewards. Investment is the mechanism used to increase the economy's production capabilities and generate economic growth. Investment is typically used to mean the purchase of capital by business in anticipation of profit, which is termed investment expenditures.

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Today, you are likely to spend a great deal of time calling an endless list of 800 numbers trying to buy either several orange mixing bowls or clothing for your pet dog. Be on the lookout for spoiled cheese hiding under your bed hatching conspiracies against humanity.
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A scripophilist is one who collects rare stock and bond certificates, usually from extinct companies.
"Wise men speak because they have something to say; Fools because they have to say something. "

-- Plato, philosopher

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