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MARKET STRUCTURE CONTINUUM: A diagram illustrating alternative degrees of market control held by different types of market structures based on the number of firms in the market and the degree of competitiveness. As the number of competitors along the continuum ranges from one to many, the degree of market control ranges complete to none. At one end of the continuum, with many competitors on no market control, is perfect competition. At the other end, with one competitor and complete market control, is monopoly. Oligopoly and monopolistic competition comprise the interior of the continuum, with monopolistic competition having many competitors but limited market control and oligopoly having few competitors and greater market control. The continuum illustrates that clear-cut dividing lines really do not exist between the market structures, especially for monopolistic competition and oligopoly.
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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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RED AGGRESSERINE
[What's This?]
Today, you are likely to spend a great deal of time surfing the Internet seeking to buy either a how-to book on fixing your computer, with illustrations or several magazines on computer software. Be on the lookout for defective microphones.
Your Complete Scope
This isn't me! What am I?
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Cyrus McCormick not only invented the reaper for harvesting grain, he also invented the installment payment for selling his reaper.
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"If anything terrifies me, I must try to conquer it. " -- Francis Charles Chichester, yachtsman, aviator
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JEP
Journal of Economic Perspectives
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