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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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BANK RESERVES

Assets used by banks to back up deposits and to conduct daily transactions, including withdrawing funds, "cashing" checks, and transferring funds between banks to "clear" checks. Reserves, also termed bank reserves or legal reserves, includes two types of assets: vault cash and Federal Reserve deposits. These legal reserves are then divided between require reserves and excess reserves. Required reserves are used to back up deposits and excess reserves are used for loans.

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Today, you are likely to spend a great deal of time wandering around the downtown area trying to buy either storage boxes for your winter clothes or several magazines on time travel. Be on the lookout for jovial bank tellers.
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Before 1933, the U.S. dime was legal as payment only in transactions of $10 or less.
"So many of our dreams at first seem impossible, then they seem improbable, and then when we summon the will, they soon become inevitable."

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