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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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ELASTICITY DETERMINANTS

Three factors that affect the numerical value of the price elasticity of demand and the price elasticity of supply--availability of substitutes, time period of analysis, and proportion of budget. The price elasticities of demand and/or supply for a good can change if these determinants change. The first two determinants are important to both price elasticity of demand and price elasticity of supply, while the third relates specifically to the price elasticity of demand.

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Today, you are likely to spend a great deal of time lost in your local discount super center hoping to buy either a rechargeable battery for your computer or shoe laces for your snow boots. Be on the lookout for neighborhood pets, especially belligerent parrots.
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Junk bonds are so called because they have a better than 50% chance of default, carrying a Standard & Poor's rating of CC or lower.
"It is only our deeds that reveal who we are. "

-- Carl Jung, psychiatrist

NAG
Net Annual Gain
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