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HHI: The common abbreviation for the Herfindahl-Hirshman index (or the Herfindahl index), which is a measure of concentration of the production in an industry that's calculated as the sum of the squares of market shares for each firm. This is an alternative method of summarizing the degree to which an industry is oligopolistic and the relative concentration of market power held by the largest firms in the industry. The Herfindahl index gives a better indication of the relative market control of the largest firms than can be found with the four-firm and eight-firm concentration ratios.

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FIAT MONEY

A medium of exchange (money) with value in exchange, but little or no value in use. Modern paper currency, coins, and checkable deposits are fiat money. The value of fiat money comes from the public's general willingness to accept it in exchange for other goods. This willingness comes from the fact that EVERYONE is willing to accept fiat money in exchange, which largely depends on the public's confidence in the authority (usually government) issuing the fiat money. Fiat money is NOT valuable unto itself, but it is valuable for what it can buy. In the march toward economic complexity, fiat money emerged from commodity money, money with both value in exchange and value in use.

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Today, you are likely to spend a great deal of time strolling through a department store looking to buy either a replacement nozzle for your shower or a decorative windchime with plastic . Be on the lookout for infected paper cuts.
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Junk bonds are so called because they have a better than 50% chance of default, carrying a Standard & Poor's rating of CC or lower.
"Plans are only good intentions unless they immediately degenerate into hard work."

-- Peter Drucker, management consultant

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