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IMPERFECT COMPETITION: Any markets or industries that do not match the criteria for perfect competition. The key characteristics of perfect competition are: (1) a large number of small firms, (2) identical products sold by all firms, (3) freedom of entry into and exit out of the industry, and (4) perfect knowledge of prices and technology. These four characteristics are essentially impossible to match in the real world.
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Lesson 11: Elasticity Basics | Unit 1: The Concept
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Page: 4 of 25
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Topic:
Some Definitions
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- The working, measurement based definition goes something like this:
- Elasticity is the percentage change of one variable relative to the percentage change in another variable.
- When applied to market analysis, specific elasticity definitions work for both demand and supply:
- The price elasticity of demand is the percentage change in quantity demanded resulting from a percentage change in demand price.
- The price elasticity of supply is the percentage change in quantity supplied resulting from a percentage change in supply price.
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IMPLEMENTATION LAG The time lag that occurs after a government policy designed to correct an economic problem has been selected and the actual execution of the policy. The implementation lag is based the time it takes for government agencies, which can be slow and methodical, to carry out the designated policy. This "inside lag" is one of four policy lags associated with monetary and fiscal policy. The other two "inside lags" are recognition lag and decision lag, and one "outside lag" is implementation lag. All four policy lags can reduce the effectiveness of business-cycle stabilization policies and can even destabilize the economy.
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time at a going out of business sale looking to buy either a bookshelf that will fit in your closet or a birthday greeting card for your grandfather. Be on the lookout for mail order catalogs with hidden messages.
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In the late 1800s and early 1900s, almost 2 million children were employed as factory workers.
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"Old age isn't so bad when you consider the alternative. " -- Cato, Roman orator
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D
Demand
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