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ELASTICITY: The relative response of one variable to changes in another variable. The phrase "relative response" is best interpreted as the percentage change. For example, the price elasticity of demand, one of the more important applications of this concept in economics, is the percentage change in quantity demanded measured against the percentage change in price. Other notable economic elasticities are the price elasticity of supply, income elasticity of demand, and cross elasticity of demand.
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Lesson 1: Economic Basics | Unit 2: Doing Economics
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Page: 4 of 18
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Topic:
Science and Policy
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The study of economics involves both scientific investigation and policy analysis. Economists practice both: - Positive economics, which uses the scientific method to uncover the basic mechanism of the economy. It seeks to describe the way this world is ARE.
- Normative economics, which is the policy side of economics. It seeks to prescribe the way the world SHOULD BE.
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OLIGOPOLY, BEHAVIOR 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 customers from the competition using incentives other than prices (nonprice competition), and when they get tired of competing with their competitors they are inclined to cooperate formally and legally (mergers) or informally and illegally (collusion).
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Mark Twain said "I wonder how much it would take to buy soap buble if there was only one in the world."
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"The mediocre teacher tells. The good teacher explains. The superior teacher demonstrates. The great teacher inspires." -- William Ward ‚ Texas Wesleyan University Administrator
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ILO International Labor Office
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