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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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FIXED EXCHANGE RATE An exchange rate that is established at a specific level and maintained through government actions (usually through monetary policy actions of a central bank). To fix an exchange rate, a government must be willing to buy and sell currency in the foreign exchange market in whatever amounts are necessary to keep the exchange rate fixed. A fixed exchange rate typically disrupts the balance of trade and balance of payments for a country. But in many cases, this is exactly what a country is seeking to do. This is one of three basic exchange rate policies used by domestic governments. The other two policies are flexible exchange rate and managed flexible exchange rate.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time wandering around the downtown area trying to buy either a weathervane with a cow on top or a box of multi-colored, plastic paper clips. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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This isn't me! What am I?
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A communal society, a prime component of Karl Marx's communist philosophy, was advocated by the Greek philosophy Plato.
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"Nobody can be successful unless he loves his work. " -- David Sarnoff, TV pioneer
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AER
American Economic Review
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