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OLIGOPOLISTIC BEHAVIOR: Oligopolistic industries are nothing if not diverse. Some sell identical products, others differentiated products. Some have three or four firms of nearly equal size, others have one large dominate firm (a clear industry leader) and a handful of smaller firms (that follow the leader). Whatever products they may sell, and however they may be organized, oligopolistic industries share several behavioral tendencies, including (1) interdependence, (2) rigid prices, (3) nonprice competition, (4) mergers, and (5) collusion. In other words, each oligopolistic firm keeps a close eye on the decisions made by other firms in the industry (interdependence), are reluctant to change prices (rigid prices), but instead try to attract the competitors customers using incentives other than prices (nonprice competition), and when they get tired of competing with their competitors they are inclined to cooperate either legally (mergers) or illegally (collusion).

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LAW OF COMPARATIVE ADVANTAGE

A principle that states that every nation, worker, or production entity has a production activity that incurs a lower opportunity cost than that of another nation, worker, or production entity, which means that trade between the two can be beneficial to both if each specializes in the production of a good with lower relative opportunity cost. This law is most often studied in the confines of international trade, but it also applies to labor and other types of production.

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APLS

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Today, you are likely to spend a great deal of time searching for rummage sales hoping to buy either galvanized steel storage shelves or a large green chalkboard shaped like the state of Maine. Be on the lookout for small children selling products door-to-door.
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Approximately three-fourths of the U.S. paper currency in circular contains traces of cocaine.
"The secret of getting things done is to act! "

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AIBD
Association of International Bond Dealers (now called International Securities Market Association)
A PEDestrian's Guide
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