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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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OLIGOPOLY A market structure characterized by a small number of large firms that dominate the market, selling either identical or differentiated products, with significant barriers to entry into the industry. This is one of four basic market structures. The other three are perfect competition, monopoly, and monopolistic competition. Oligopoly dominates the modern economic landscape, accounting for about half of all output produced in the economy. Oligopolistic industries are as diverse as they are widespread, ranging from breakfast cereal to cars, from computers to aircraft, from television broadcasting to pharmaceuticals, from petroleum to detergent.
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"What gets measured gets done." -- Peter Drucker, educator
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The Odds On GAMBLINGI'm sure there's a great philosopher somewhere who once uttered the words, "Life's a contradiction and we're all a bunch of hypocrites." Take me for example. Just this morning I walked by Smilin' Ted's All-Comers Insurance Agency to drop off my annual shoe insurance premium (for protection against blowouts), then made a pit stop at Master Sprocket's convenience store where I plopped down five dollars on five (count 'em, five) Super Luck-O Multi-State Lottery tickets. Within a space of two blocks and twenty minutes I bought $37.56 worth of shoe insurance to avoid risk and then spent another $5 to take on some risk. Am I a walking contradiction, or what?
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RED AGGRESSERINE
[What's This?]
Today, you are likely to spend a great deal of time touring the new suburban shopping complex seeking to buy either a birthday gift for your grandmother or a T-shirt commemorating yesterday. Be on the lookout for cardboard boxes.
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This isn't me! What am I?
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North Carolina supplied all the domestic gold coined for currency by the U.S. Mint in Philadelphia until 1828.
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ATM
Automated Teller Machine
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