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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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Lesson 20: Federal Reserve System | Unit 4: Monetary Policy
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Page: 16 of 20
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Topic:
Reserve Requirements
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Reserve requirements are the regulations the Fed uses to ensure banks keep enough reserves to back deposits.- In principle, reserve requirements can be used to control the money supply. In practice, reserve requirement changes would cause serious bank instability.
- The Federal Reserve System is charged with ensuring that banks keep enough reserves, through legal reserve requirements.
- Reserve requirements change over the years, keeping pace with the changing structure of the banking system.
- They are currently in the 1% to 3% for checkable deposits. These are the reserves that banks use to cash checks, process checks, and conduct daily business.
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INFLEXIBLE PRICES The proposition that some prices adjust slowly in response to market shortages or surpluses. This condition is most important for macroeconomic activity in the short run and short-run aggregate market analysis. In particular, inflexible prices (also termed rigid prices or sticky prices) are a key reason underlying the positive slope of the short-run aggregate supply curve. Prices tend to be the most inflexible in resource markets, especially labor markets, and the least inflexible in financial markets, with product markets falling between the two.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius seeking to buy either a replacement remote control for your television or a replacement nozzle for your shower. Be on the lookout for slow moving vehicles with darkened windows.
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Lewis Carroll, the author of Alice in Wonderland, was the pseudonym of Charles Dodgson, an accomplished mathematician and economist.
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"Perhaps the most valuable result of all education is the ability to make yourself do the thing you have to do, when it ought to be done, whether you like it or not; it is the first lesson that ought to be learned; and however early a man's training begins, it is probably the last lesson that he learns thoroughly. " -- Thomas H. Huxley, Scientist
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