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AGGREGATE EXPENDITURES LINE: 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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MARGINAL REVENUE PRODUCT AND FACTOR DEMAND A perfectly competitive firm's factor demand curve is that negatively-sloped portion of its marginal revenue product curve. A perfectly competitive firm maximizes profit by hiring the quantity of input that equates factor price and marginal revenue product. As such, the firm moves along its negatively-sloped marginal revenue product curve in response to changing factor prices.
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RED AGGRESSERINE
[What's This?]
Today, you are likely to spend a great deal of time at the confiscated property police auction trying to buy either a lighted magnifying glass or a small, foam rubber football. Be on the lookout for pencil sharpeners with an attitude.
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This isn't me! What am I?
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John Maynard Keynes was born the same year Karl Marx died.
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"When your values are clear to you, making decisions becomes easier. " -- Roy Disney, executive
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ECU
European Currency Unit
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