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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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THREE-SECTOR INJECTIONS-LEAKAGES MODEL A variation of the Keynesian injections-leakages model that includes the three domestic sectors--the household sector, the business sector, and the government sector. This model provides an alternative to the three-sector aggregate expenditures (Keynesian cross) analysis of government stabilization policies, especially how fiscal policy changes in government purchases and taxes can be used to close recessionary gaps and inflationary gaps. Equilibrium is identified as the intersection between the S + T line and the I + G line. Two related variations are the two-sector injections-leakages model and the four-sector injections-leakages model.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club hoping to buy either a pair of red goulashes with shiny buckles or a handcrafted bird feeder. Be on the lookout for poorly written technical manuals.
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The earliest known use of paper currency was about 1270 in China during the rule of Kubla Khan.
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"There's only one corner of the universe you can be certain of improving and that's your own self. " -- Aldous Huxley, writer
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IBRD
International Bank for Reconstruction and Development
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