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October 18, 2026 

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RATIONAL IGNORANCE: The decision not to become informed about something because the cost of doing it is more than the expected benefit. In that information is costly, there's always some limit to how much anyone can know. The idea of rational ignorance, while popping up on a daily basis for most of us, is quite important come election time. Many voters decided, logically so, that it's not really worth their efforts to get ALL of the details on every candidate and issue on the ballot.

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MARGINAL REVENUE

The change in total revenue resulting from a change in the quantity of output sold. Marginal revenue indicates how much extra revenue a firm receives for selling an extra unit of output. It is found by dividing the change in total revenue by the change in the quantity of output. Marginal revenue is the slope of the total revenue curve and is one of two revenue concepts derived from total revenue. The other is average revenue. To maximize profit, a firm equates marginal revenue and marginal cost.

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Today, you are likely to spend a great deal of time flipping through the yellow pages wanting to buy either 500 feet of telephone cable or a package of 4 by 6 index cards, the ones with lines. Be on the lookout for cardboard boxes.
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Rosemary, long associated with remembrance, was worn as wreaths by students in ancient Greece during exams.
"Executives who get there and stay suggest solutions when they present the problems. "

-- Malcolm Forbes, business executive

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