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A: The common notation for the "intercept" term of an equation specified as Y = a + bX. Mathematically, the a-intercept term indicates the value of the Y variable when the value of the X variable is equal to zero. Theoretically, the a-intercept is frequently used to indicate exogenous or independent influences on the Y variable, that is, influences that are independent of the X variable. For example, if Y represents consumption and X represents national income, a measures autonomous consumption expenditures.

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PERFECT COMPETITION, CHARACTERISTICS

The four key characteristics of perfect competition are: (1) a large number of small firms, (2) identical products sold by all firms, (3) perfect resource mobility or the freedom of entry into and exit out of the industry, and (4) perfect knowledge of prices and technology.

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APLS

BLACK DISMALAPOD
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Today, you are likely to spend a great deal of time at a going out of business sale wanting to buy either a large, stuffed giraffe or a birthday greeting card for your aunt. Be on the lookout for malfunctioning pocket calculators.
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This isn't me! What am I?

Al Capone's business card said he was a used furniture dealer.
"We may affirm absolutely that nothing great in the world has been accomplished without passion."

-- Hegel

IGARCH
Integrated Generalized Autoregressive Conditional Heteroskedasticity
A PEDestrian's Guide
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