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AGGREGATE EXPENDITURE 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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AGGREGATE DEMAND AND MARKET DEMAND The aggregate demand curve, or AD curve, has similarities to, but differences from, the standard market demand curve. Both are negatively sloped. Both relate price and quantity. However, the market demand curve is negatively sloped because of the income and substitution effects and the aggregate demand curve is negatively sloped because of the real-balance, interest-rate, and net-export effects.
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GRAY SKITTERY
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Today, you are likely to spend a great deal of time searching for a specialty store trying to buy either a birthday gift for your grandmother or a T-shirt commemorating yesterday. Be on the lookout for telephone calls from long-lost relatives.
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The word "fiscal" is derived from a Latin word meaning "moneybag."
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"Lord, where we are wrong, make us willing to change; where we are right, make us easy to live with. " -- Peter Marshall, US Senate chaplain
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LS
Least Squares
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