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PERFECT COMPETITION: An ideal market structure characterized by a large number of small firms, identical products sold by all firms, freedom of entry into and exit out of the industry, and perfect knowledge of prices and technology. This is one of four basic market structures. The other three are monopoly, oligopoly, and monopolistic competition. Perfect competition is an idealized market structure that's not observed in the real world. While unrealistic, it does provide an excellent benchmark that can be used to analyze real world market structures. In particular, perfect competition efficiently allocates resources.
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INVESTMENT LINE A graphical depiction of the relation between investment expenditures by the business sector and the economy's aggregate level of income or production. This relation plays a key role in the study of Keynesian economics. A investment line is characterized by vertical intercept, which indicates autonomous investment, and slope, which is the marginal propensity to invest and indicates induced investment. The aggregate expenditures line used in Keynesian economics is derived by adding or stacking the investment line onto the consumption line, then adding government purchases and net exports to this stack.
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BLUE PLACIDOLA
[What's This?]
Today, you are likely to spend a great deal of time at a dollar discount store wanting to buy either a really, really exciting, action-filled video game or a coffee cup commemorating the moon landing. Be on the lookout for telephone calls from former employers.
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The 1909 Lincoln penny was the first U.S. coin with the likeness of a U.S. President.
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"When one door closes another door opens; but we do often look so long and so regretfully upon the closed door, that we do not see the ones which open for us. " -- Alexander Graham Bell, inventor
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CD
Certificate of Deposit
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