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August 12, 2026 

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OLIGOPOLY, CONCENTRATION: Oligopoly is a market structure that contains a small number of relatively large firms, meaning oligopoly markets tend to be concentrated. A small number of large firms account for a majority of total output. Concentration unto itself is not necessarily bad, but it often leads to inefficient behavior, such as collusion and nonprice competition. Concentration is measured in three ways--market share, concentration ratio, Herfindahl index.

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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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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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WHITE GULLIBON
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Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors seeking to buy either car battery jumper cables or a dozen high trajectory optic orange golf balls. Be on the lookout for strangers with large satchels of used undergarments.
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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.
"People of mediocre ability sometimes achieve outstanding success because they don't know when to quit. Most men succeed because they are determined to. "

-- George Allen, U.S. senator

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