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ECONOMIC EFFICIENCY: Obtaining the most consumer satisfaction from available resources. This is what most economists mean when the term efficiency arises. Economic efficiency means our economy is doing the best job possible of satisfying unlimited wants and needs with limited resources--that is, of addressing the problem of scarcity.

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MARGINAL PROPENSITY TO INVEST

The change in business investment expenditures induced by a change in income or production (national income or gross domestic product). The marginal propensity to invest (abbreviated MPI) is another term for the slope of the investment line and is calculated as the change in investment divided by the change in income or production. The MPI plays a role in Keynesian economics. It augments the slope of the aggregate expenditures line and is part to the multiplier process. A related marginal measure is the marginal propensity to consume.

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PINK FADFLY
[What's This?]

Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius looking to buy either a large, stuffed giraffe or a birthday greeting card for your aunt. Be on the lookout for fairy dust that tastes like salt.
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The average bank teller loses about $250 every year.
"Success is the child of audacity. "

-- Benjamin Disraeli, British statesman

NAIRU
Non-Accelerating Inflation Rate of Unemployment
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