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AE LINE: Another term for aggregate expenditure line, which is a line representing the relation between aggregate expenditures and gross domestic product used in the Keynesian cross. The aggregate expenditure line is obtained by adding investment expenditures, government purchases, and net exports to the consumption line. As such, the slope of the aggregate expenditure line is largely based on the slope of the consumption line (which is the marginal propensity to consume), with adjustments coming from the marginal propensity to invest, the marginal propensity for government purchases, and the marginal propensity to import. The intersection of the aggregate expenditures line and the 45-degree line identifies the equilibrium level of output in the Keynesian cross.
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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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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time searching the newspaper want ads looking to buy either a coffee table shaped like the state of Florida or storage boxes for your summer clothes. Be on the lookout for the last item on a shelf.
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In the late 1800s and early 1900s, almost 2 million children were employed as factory workers.
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"Do you want to be safe and good, or do you want to take a chance and be great?" -- Jimmy Johnson, Football Coach
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DJA
Dow Jones Averages
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