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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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MARGINAL ANALYSIS

A basic technique used in economics that analyzes small, incremental changes in key variables. Marginal analysis is the primary analytical approached used in the study of markets, production, consumption, business cycles, and economic policies. It not only reflects how most economic decisions are made, it also lends itself to mathematical and graphical analysis.

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Today, you are likely to spend a great deal of time wandering around the downtown area seeking to buy either any book written by Stephan King or a T-shirt commemorating next Thursday. Be on the lookout for bottles of barbeque sauce that act TOO innocent.
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A scripophilist is one who collects rare stock and bond certificates, usually from extinct companies.
"Executives who get there and stay suggest solutions when they present the problems. "

-- Malcolm Forbes, business executive

AIBD
Association of International Bond Dealers (now called International Securities Market Association)
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