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A PRIORI: A presumption made before an analysis is undertaken, often based on experiences, beliefs, or deductions from seemingly self-evident propositions about how the world works. This is a Latin for assumption or axiom. A similar sounding, but opposite term is a posteriori, which is derived from observation or facts. For example, in the study of economics of crime you might assume, a priori, that people are basically "good", because that just seems to be part of human nature, and conclude, a posteriori, that people are more likely to commit crimes when the threat of capture and conviction is lower.

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MARGINAL PROPENSITY FOR GOVERNMENT PURCHASES

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

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BLUE PLACIDOLA
[What's This?]

Today, you are likely to spend a great deal of time lost in your local discount super center wanting to buy either a 50 foot extension cord or a combination CD player, clock radio, and telephone (with answering machine). Be on the lookout for cardboard boxes.
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This isn't me! What am I?

The penny is the only coin minted by the U.S. government in which the "face" on the head looks to the right. All others face left.
"The greatest things ever done on Earth have been done little by little. "

-- William Jennings Bryan

LRTC
Long Run Total Cost
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