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July 4, 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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HERFINDAHL INDEX

A measure of concentration of the production in an industry calculated as the sum of the squares of market shares for each firm. This is one method of summarizing the degree to which an industry is oligopolistic and the concentration of market control held by the largest firms in the industry. Two other measures of industry concentration are the four-firm concentration ratio and the eight-firm concentration ratio.

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GRAY SKITTERY
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Today, you are likely to spend a great deal of time searching for rummage sales looking to buy either a half-dozen helium filled balloons or a packet of address labels large enough for addresses of both the sender and the recipient. Be on the lookout for defective microphones.
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In 1914, Ford paid workers who were age 22 or older $5 per day -- double the average wage offered by other car factories.
"Opportunities are usually disguised as hard work, so most people don't recognize them."

-- Ann Landers, columnist

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International Trade Organization
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