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DEPOSIT INSURANCE: A program of guaranteeing, or insuring, customers' deposits at a bank or similar institution. Since the 1930s bank deposits have been insured by the Federal Deposit Insurance Corporation (FDIC). Other programs have insured deposits at credit unions and savings and loan associations. The FDIC works like this -- If a bank is unable to pay back all or part of its customers' deposits because it has done something like go out of business, then the FDIC steps in to make up the difference--up to a pretty hefty limit.

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FOUR-FIRM CONCENTRATION RATIO

The proportion of total output in an industry produced by the four largest firms in an industry. This is one of two common concentration ratios. The other is the eight-firm concentration ratio. Another related measure is the Herfindahl index. The four-firm concentration ratio is commonly used to indicate the degree to which an industry is oligopolistic and the extent of market control held by the four largest firms in the industry.

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Today, you are likely to spend a great deal of time wandering around the downtown area looking to buy either a lighted magnifying glass or a small, foam rubber football. Be on the lookout for the happiest person in the room.
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A half gallon milk jug holds about $50 in pennies.
"The time your game is most vulnerable is when you're ahead; never let up. "

-- Rod Laver, Tennis player

EGARCH
Exponential Generalized Autoregressive Conditional Heteroskedasticity
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