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PRESENT VALUE: The amount of money today that, after interest is added, would have the same value as an amount some time in the future. For example, $100 today, given a 10 percent interest rate, would have a value of $110 in one year ($100 plus $10 in interest). Conversely, $110 in one year, given a 10 percent interest rate, would be equivalent to $100 today. The process of translating a future payment into its present value, such an amount to be received when a bond reaches its date of maturity, is often termed discounting.

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CONCENTRATION RATIOS

A family of measures of the proportion of total output in an industry that is produced by a given number of the largest firms in the industry. The two most common concentration ratios are for the four largest firms and the eight largest firms. The four-firm concentration ratio is the proportion of total output produced by the four largest firms in the industry and the eight-firm concentration ratio is proportion of total output produced by the eight largest firms in the industry. Concentration ratios are commonly used to indicate the degree to which an industry is oligopolistic and the extent of market control of the largest firms in the industry. A related measure is the Herfindahl index.

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Today, you are likely to spend a great deal of time surfing the Internet hoping to buy either any book written by Isaac Asimov or a how-to book on building remote controlled airplanes. Be on the lookout for high interest rates.
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A scripophilist is one who collects rare stock and bond certificates, usually from extinct companies.
"Never confuse a single defeat with a final defeat."

-- F. Scott Fitzgerald, writer

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