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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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FREE LUNCH

The consumption of hunger-satisfying food products during the middle of the day, usually around the noon hour, the acquisition of which requires no payment by the consumer and presumably imposes no opportunity cost on society. The food is lunch, the acquisition is free, hence free lunch.

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Today, you are likely to spend a great deal of time lost in your local discount super center hoping to buy either a large flower pot shaped like a Greek urn or a small palm tree that will fit on your coffee table. Be on the lookout for telephone calls from long-lost relatives.
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Only 1% of the U.S. population paid income taxes when the income tax was established in 1914.
"Unless you are willing to drench yourself in your work beyond the capacity of the average man, you are just not cut out for positions at the top."

-- J. C. Penney, Retailer

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