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AGGREGATE EXPENDITURE EQUATION: An equation indicating that aggregate expenditures (AE) are the sum of consumption expenditures (C), investment expenditures (I), government purchases (G), and net exports (X-M), stated as: AE = C + I + G + (X-M). This equation surfaces in the Keynesian economic income-expenditure model in the form of the aggregate expenditures line. However, it's also central throughout the study of macroeconomics, including aggregate demand and the measurement of gross domestic product.
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MARGINAL REVENUE CURVE, PERFECT COMPETITION A curve that graphically represents the relation between the marginal revenue received by a perfectly competitive firm for selling its output and the quantity of output sold. Because a perfectly competitive firm is a price taker and faces a horizontal demand curve, its marginal revenue curve is also horizontal and coincides with its average revenue (and demand) curve. A perfectly competitive firm maximizes profit by producing the quantity of output found at the intersection of the marginal revenue curve and marginal cost curve.
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YELLOW CHIPPEROON [What's This?]
Today, you are likely to spend a great deal of time going from convenience store to convenience store wanting to buy either a box of multi-colored, plastic paper clips or several orange mixing bowls. Be on the lookout for strangers with large satchels of used undergarments. Your Complete Scope
This isn't me! What am I?
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There were no banks in colonial America before the U.S. Revolutionary War. Anyone seeking a loan did so from another individual.
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"It is not the mountain we conquer, but ourselves. " -- Sir Edmund Hillary, Explorer
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OECD Organization for Economic Co-operation and Development
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