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KEYNESIAN EQUILIBRIUM: The state of the macroeconomy in which aggregate expenditures are equal to aggregate output. This is illustrated using the income-expenditure model, or Keynesian cross, as the intersection of the aggregate expenditures line and the 45-degree line. The aggregate expenditures line is the summation of consumption expenditures, investment expenditures, government purchases, and net exports. The 45-degree line represents all combinations in which aggregate expenditures equal aggregate output. Keynesian equilibrium is also represented by the saving-investment, or injection-leakage, model as the intersection between the injection line (investment expenditures, government purchases, and exports) and the leakage line (saving, taxes, and imports).
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U-SHAPED COST CURVES The family of short-run cost curves consisting of average total cost, average variable cost, and marginal cost, all of which have U-shapes. Each is U-shaped because it begins with relatively high but falling cost for small quantities of output, reaches a minimum value, then has rising cost at large quantities of output. Although the average fixed cost curve is not U-shaped, it is occasionally included with the other three just for sake of completeness.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time going from convenience store to convenience store looking to buy either a set of luggage with wheels or a birthday gift for your aunt. Be on the lookout for telephone calls from former employers.
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The first U.S. fire insurance company was established by Benjamin Franklin in 1752 in Philadelphia.
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"Never let the fear of striking out get in your way. " -- Babe Ruth
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SCF
Survey of Consumer Finances
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