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OPPORTUNITY COST: The highest valued alternative foregone in the pursuit of an activity. This is a hallmark of anything dealing with economics--and life for that matter--because any action that you take prevents you from doing something else. The ultimate source of opportunity cost is the pervasive problem of scarcity (unlimited wants and needs, but limited resources). Whenever limited resources are used to satisfy one want or need, there are an unlimited number of other wants and needs that remain unsatisfied. Herein lies the essence of opportunity cost. Doing one thing prevents doing another.

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VAULT CASH

Paper bills and metal coins kept in bank vaults or elsewhere in banks (such as teller drawers). Vault cash is used, quite literally, to "cash" checks and otherwise to satisfy currency withdrawal demands of the depositors. Because vault cash is in the possession of banks and not the nonbank public, it is not considered as "money in circulation" and is not part of the official M1 money supply. Vault cash is one of two types of bank assets that are considered reserves and used to satisfy reserve requirements. The other is Federal Reserve deposits.

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Today, you are likely to spend a great deal of time wandering around the downtown area wanting to buy either a replacement nozzle for your shower or a decorative windchime with plastic . Be on the lookout for slightly overweight pizza delivery guys.
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There were no banks in colonial America before the U.S. Revolutionary War. Anyone seeking a loan did so from another individual.
"The way employees treat customers reflects the manner in which they're treated by management. "

-- James Perkins, president, Cornell University

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