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June 5, 2026 

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LONG-RUN MARGINAL COST: The change in the long-run total cost of producing a good or service resulting from a change in the quantity of output produced. Like all marginals, long-run marginal cost is the increment in the corresponding total. What's most notable about long-run marginal cost, however, is that we are operating in the long run. Unlike the short run, in which at least one input is fixed, there are no fixed inputs in the long run. As such, there is only variable cost. This means that long-run marginal cost is the result of changes in the cost of all inputs.

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INDUCED INVESTMENT

Business investment expenditures that depend on income or production (especially national income and gross domestic product). That is, changes in income induce changes in investment. Induced investment reflects the observation that the business sector is inclined to reinvest profits (boosted by a growing economy) in capital goods. It is measured by the marginal propensity to invest (MPI) and is reflected by the positive slope of investment line. The alternative to induced investment is autonomous investment, which does not depend on income.

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An Altogether Look at UNIONS

Hey, look! Is that who I think it is? Yes of course, that's Dan Dreiling the drywall guy. You might recall that Dan repaired a hole in my living room wall back in Fact 7. He's coming out of the Mona Mallard Duct Tape Industries plant with all of the duct tape factory workers. And he seems most distressed. Let's get to the bottom of this. Here's his story. The drywall business sort of dried up, and Dan has taken up employment in the exciting field of duct tape fabrication. The duct tape workers, though, are talking union. Dan's indecisive about this move toward unionization. Perhaps we can help him out. Let's stroll around the often controversial topic of labor unions.
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APLS

PURPLE SMARPHIN
[What's This?]

Today, you are likely to spend a great deal of time at a going out of business sale hoping to buy either an AC adapter that won't fry your computer or a case for your designer sunglasses. Be on the lookout for pencil sharpeners with an attitude.
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This isn't me! What am I?

Paper money used by the Commonwealth of Massachusetts prior to the U.S. Revolutionary War, which was issued against the dictates of Britain, was designed by patriot and silversmith, Paul Revere.
"It takes generosity to discover the whole through others. If you realize you are only a violin, you can open yourself up to the world by playing your role in the concert. "

-- Jacques Yves Cousteau, marine explorer

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Journal of Financial Economics
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