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OLIGOPOLY, CONCENTRATION: Oligopoly is a market structure that contains a small number of relatively large firms, meaning oligopoly markets tend to be concentrated. A small number of large firms account for a majority of total output. Concentration unto itself is not necessarily bad, but it often leads to inefficient behavior, such as collusion and nonprice competition. Concentration is measured in three ways--market share, concentration ratio, Herfindahl index.

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INTERNAL REVENUE SERVICE

A branch of the Department of Treasury that is responsible for collecting federal income taxes and administering the Internal Revenue Code. The Internal Revenue Service (IRS) is the office of the U.S. government that collects the tax revenue needed to purchase goods, pay administrative expenses, and finance assorted government functions. The IRS was established during the Civil War in 1862, but underwent a major overhaul in 1913 when the 16th amendment to the U.S. Constitution gave it the power to collect income taxes.

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BEIGE MUNDORTLE
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Today, you are likely to spend a great deal of time strolling through a department store hoping to buy either a solid oak entertainment center or a remote controlled ceiling fan. Be on the lookout for rusty deck screws.
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The 22.6% decline in stock prices on October 19, 1987 was larger than the infamous 12.8% decline on October 29, 1929.
"Stand up to your obstacles and do something about them. You will find that they haven't half the strength you think they have."

-- Norman Vincent Peale

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