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DECREASING MARGINAL RETURNS: In the short-run production of a firm, an increase in the variable input results in a decrease in the marginal product of the variable input. Decreasing marginal returns typically surface after the first few quantities of a variable input are added to a fixed input. Compare this with increasing marginal returns. You should also compare this with diseconomies of scale associated with long-run production.

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OLIGOPOLY, CHARACTERISTICS

The three most important characteristics of oligopoly are: (1) an industry dominated by a small number of large firms, (2) firms sell either identical or differentiated products, and (3) the industry has significant barriers to entry.

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Today, you are likely to spend a great deal of time driving to a factory outlet trying to buy either clothing for your pet dog or an ink cartridge for your printer. Be on the lookout for vindictive digital clocks with revenge on their minds.
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The average length of a "business lunch" is about 36 minutes.
"As is our confidence, so is our capacity. "

-- William Hazlitt, essayist

MPP
Marginal Physical Product
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