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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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SAVING LINE

A graphical depiction of the relation between household sector saving and income. The saving line is closely related to the consumption line that forms one of the key building blocks for Keynesian economics. A saving line is characterized by vertical intercept, which indicates autonomous saving, and slope, which is the marginal propensity to save and indicates induced saving. The injections-leakages model used in Keynesian economics is based on the saving line.

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Today, you are likely to spend a great deal of time searching for a specialty store trying to buy either a remote controlled train set or a genuine down-filled snow parka. Be on the lookout for letters from the Internal Revenue Service.
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The 1909 Lincoln penny was the first U.S. coin with the likeness of a U.S. President.
"The ideals that have lighted my way, and time after time have given me new courage to face life cheerfully, have been kindness, beauty and truth. "

-- Albert Einstein, physicist

IJIO
International Journal of Industrial Organization
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