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AGGREGATE EXPENDITURE EQUATION: An equation indicating that aggregate expenditures (AE) are the sum of consumption expenditures (C), investment expenditures (I), government purchases (G), and net exports (X-M), stated as: AE = C + I + G + (X-M). This equation surfaces in the Keynesian economic income-expenditure model in the form of the aggregate expenditures line. However, it's also central throughout the study of macroeconomics, including aggregate demand and the measurement of gross domestic product.

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DISECONOMIES OF SCALE

Increasing long-run average cost that occurs as a firm increases all inputs and expands its scale of production. Diseconomies of scale result from decreasing returns to scale and are graphically illustrated by a positively-sloped long-run average cost curve. Diseconomies of scale usually occur for relatively large levels of production and overwhelm economies of scale that occurs at relatively small production levels. Together, economies of scale and diseconomies of scale create a U-shaped long-run average cost curve.

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BEIGE MUNDORTLE
[What's This?]

Today, you are likely to spend a great deal of time at a flea market looking to buy either a pair of handcrafted oven mitts or a coffee table shaped like the state of Florida. Be on the lookout for small children selling products door-to-door.
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This isn't me! What am I?

Lewis Carroll, the author of Alice in Wonderland, was the pseudonym of Charles Dodgson, an accomplished mathematician and economist.
"Cherish your visions and your dreams as they are the children of your soul; the blue prints of your ultimate achievements."

-- Napoleon Hill, Author

ARCH
Autoregressive Conditional Heteroskedasticity
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