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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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NEAR-PUBLIC GOODS Goods characterized by nonrival consumption and the ability to exclude nonpayers. Near-public goods are one of four types of goods differentiated by consumption rivalry and nonpayer excludability. The other three goods are near-public (rival consumption and nonpayers can be excluded), public (nonrival consumption and nonpayers cannot be excluded), and common-property (rival consumption and nonpayers cannot be excluded). The ease of excluding of nonpayers means near-public goods can be exchanged through markets, but nonrival consumption means efficiency can only be achieved with government intervention.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time looking for a downtown retail store looking to buy either storage boxes for your summer clothes or 500 feet of coaxial cable. Be on the lookout for crowded shopping malls.
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In his older years, Andrew Carnegie seldom carried money because he was offended by its sight and touch.
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"As is our confidence, so is our capacity. " -- William Hazlitt, essayist
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NDP
Net Domestic Product
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