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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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PRODUCT INNOVATION

An innovation of a new product, technology, or idea that generates a beneficial improvement in society and the economy; one that is fundamentally different from existing products, technologies, or ideas. The contrast is with a process innovation, which is an improvement in an existing product, technology, or idea.

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PURPLE SMARPHIN
[What's This?]

Today, you are likely to spend a great deal of time touring the new suburban shopping complex looking to buy either a package of 3 by 5 index cards, the ones without lines or a blue mechanical pencil. Be on the lookout for slightly overweight pizza delivery guys.
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This isn't me! What am I?

It's estimated that the U.S. economy has about $20 million of counterfeit currency in circulation, less than 0.001 perecent of the total legal currency.
"The best way to cheer yourself up is to try to cheer somebody else up."

-- Mark Twain

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Nash Equilibrium
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