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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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TOTAL REVENUE The revenue received by a firm for the sale of its output. Total revenue is one two bits of information a firm needs to calculate economic profit, the other is total cost. In general, total revenue is the price times quantity--the price received for selling a good times the quantity of the good sold at that price. For a perfectly competitive firm, which receives a single unchanging price for all output sold, the calculation is relatively easy. For other real world firms, that charge different prices to different buyers for different quantities, the calculation can be more complex. Two other revenue measures directly related to total revenue are average revenue and marginal revenue. Total revenue is often depicted as a total revenue curve.
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BEIGE MUNDORTLE
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Today, you are likely to spend a great deal of time surfing the Internet trying to buy either a printer that works with your stockpile of ink cartridges or income tax software. Be on the lookout for broken fingernail clippers.
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The average bank teller loses about $250 every year.
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"The time your game is most vulnerable is when you're ahead; never let up. " -- Rod Laver, Tennis player
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MPC
Marginal Propensity to Consume
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