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Y-AXIS: In a graph, this is one of two lines that intersect at a right angle. This is the "vertical axis" that runs up and down.

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MARGINAL COST AND LAW OF DIMINISHING MARGINAL RETURNS

Decreasing then increasing marginal cost, reflected by a U-shaped marginal cost curve, is the result of increasing then decreasing marginal returns. In particular the decreasing marginal returns is caused by the law of diminishing marginal returns. As such, the law of diminishing marginal returns affects not only the short-run production of a firm but also the cost of short-run production. This translates into a positively-sloped supply curve for profit-maximizing competitive firms.

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BLACK DISMALAPOD
[What's This?]

Today, you are likely to spend a great deal of time lost in your local discount super center looking to buy either a T-shirt commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki or a wall poster commemorating the 2000 Olympics. Be on the lookout for malfunctioning pocket calculators.
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This isn't me! What am I?

In the late 1800s and early 1900s, almost 2 million children were employed as factory workers.
"Opportunities are usually disguised as hard work, so most people don't recognize them."

-- Ann Landers, columnist

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