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LONG-RUN MARGINAL COST: The change in the long-run total cost of producing a good or service resulting from a change in the quantity of output produced. Like all marginals, long-run marginal cost is the increment in the corresponding total. What's most notable about long-run marginal cost, however, is that we are operating in the long run. Unlike the short run, in which at least one input is fixed, there are no fixed inputs in the long run. As such, there is only variable cost. This means that long-run marginal cost is the result of changes in the cost of all inputs.
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FOUR-SECTOR KEYNESIAN MODEL A Keynesian model of the macroeconomy that includes all four macroeconomic sectors, the household sector, the business sector, the government sector, and the foreign sector. This Keynesian model variation adds the foreign to the three domestic sectors (household, business, and government) in the three-sector model. This model provides the complete Keynesian representation of the macroeconomy, including the export-import interaction between the domestic economy and the foreign sector. Equilibrium is identified as the intersection between the C + I + G + (X - M) line and the 45-degree line. Two related variations are the two-sector Keynesian model and the three-sector Keynesian model.
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BROWN PRAGMATOX
[What's This?]
Today, you are likely to spend a great deal of time at a going out of business sale looking to buy either a large, stuffed kitty cat or a cross-cut paper shredder. Be on the lookout for letters from the Internal Revenue Service.
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John Maynard Keynes was born the same year Karl Marx died.
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"If I have ever made any valuable discoveries, it has been owing more to patient attention than to any other talent. " -- Isaac Newton, mathematician, physicist
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SIC
Standard Industrial Classification
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