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September 13, 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 FACTOR COST, PERFECT COMPETITION

The change in total factor cost resulting from a change in the quantity of factor input employed by a perfectly competitive firm. Marginal factor cost, abbreviated MFC, indicates how total factor cost changes with the employment of one more input. It is found by dividing the change in total factor cost by the change in the quantity of input used. Marginal factor cost is compared with marginal revenue product to identify the profit-maximizing quantity of input to hire.

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APLS

PURPLE SMARPHIN
[What's This?]

Today, you are likely to spend a great deal of time browsing through a long list of dot com websites looking to buy either a replacement remote control for your television or a replacement nozzle for your shower. Be on the lookout for fairy dust that tastes like salt.
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This isn't me! What am I?

Approximately three-fourths of the U.S. paper currency in circular contains traces of cocaine.
"Just as iron rusts from disuse, even so does inaction spoil the intellect. "

-- Leonardo da Vinci, architect, artist

CPI-U
Consumer Price Index-All Urban Consumers
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