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IBT: The abbreviation for indirect business taxes, which is the official entry in the National Income and Product Accounts maintained by the Bureau of Economic Analysis for sales taxes. Indirect business taxes are one key difference between national income (the resource cost of production) and gross/net domestic product (the market value of production). For further discussion of this point, see gross domestic product and national income or net domestic product and national income. Indirect business taxes is generally less than 10% of gross domestic product (7-8% is common).

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LONG-RUN AVERAGE COST CURVE, DERIVATION

The long-run average cost curve is the envelope of an infinite number of short-run average total cost curves, with each short-run average total cost curve tangent to, or just touching, the long-run average cost curve at a single point corresponding to a single output quantity. The key to the derivation of the long-run average cost curve is that each short-run average total cost curve is constructed based on a given amount of the fixed input, usually capital. As such, when the quantity of the fixed input changes, the short-run average total cost curve shifts to a new location.

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APLS

PURPLE SMARPHIN
[What's This?]

Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius seeking to buy either a decorative windchime with plastic or a flower arrangement for that special day for your mother. Be on the lookout for neighborhood pets, especially belligerent parrots.
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One of the largest markets for gold in the United States is the manufacturing of class rings.
"The shifts of fortune test the reliability of friends. "

-- Marcus Tullius Cicero, Roman statesman

SUR
Seemingly Unrelated Regressions
A PEDestrian's Guide
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