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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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SEIGNIORAGE

The difference between the face value, or value in exchange, of money and the cost of producing the money. This seigniorage is effectively the profit government generates from producing currency--printing paper bills or minting metal coins. That is, government effectively "makes money" by making money.

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Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors seeking to buy either a birthday greeting card for your grandmother or a coffee cup commemorating yesterday. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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General Electric is the only stock from the original 1896 Dow Jones Industrial Average remaining in the current index.
"You have to find something that you love enough to be able to take risks, jump over the hurdles and break through the brick walls that are always going to be placed in front of you. If you don't have that kind of feeling for what it is you're doing, you'll stop at the first giant hurdle. "

-- George Lucas

ARMA
Autoregressive Moving Average
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