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MARGINAL PROPENSITY FOR GOVERNMENT PURCHASES: The proportion of each additional dollar of national income that is used for government purchases. Or alternatively, this is the change in government purchases due to a change in national income. Abbreviated MPG, the marginal propensity for government purchases is the slope of the government purchases line used in the analysis of Keynesian economics. As such, it also plays a role in the slope of the aggregate expenditure line and the multiplier effect.
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MARGINAL REVENUE The change in total revenue resulting from a change in the quantity of output sold. Marginal revenue indicates how much extra revenue a firm receives for selling an extra unit of output. It is found by dividing the change in total revenue by the change in the quantity of output. Marginal revenue is the slope of the total revenue curve and is one of two revenue concepts derived from total revenue. The other is average revenue. To maximize profit, a firm equates marginal revenue and marginal cost.
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time touring the new suburban shopping complex seeking to buy either an ink cartridge for your printer or a rechargeable battery for your camera. Be on the lookout for florescent light bulbs that hum folk songs from the sixties.
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On a typical day, the United States Mint produces over $1 million worth of dimes.
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"The past is a foreign country; they do things differently there." -- Leslie Poles Hartley, Writer
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GDI
Gross Domestic Income
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