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April 23, 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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U-SHAPED COST CURVES

The family of short-run cost curves consisting of average total cost, average variable cost, and marginal cost, all of which have U-shapes. Each is U-shaped because it begins with relatively high but falling cost for small quantities of output, reaches a minimum value, then has rising cost at large quantities of output. Although the average fixed cost curve is not U-shaped, it is occasionally included with the other three just for sake of completeness.

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Today, you are likely to spend a great deal of time strolling through a department store seeking to buy either a cell phone case or a pair of designer sunglasses. Be on the lookout for a thesaurus filled with typos.
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One of the largest markets for gold in the United States is the manufacturing of class rings.
"The past cannot be changed. The future is yet in your power. "

-- Hugh White, U.S. Senator

JIE
Journal of Industrial Economics
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