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OLIGOPOLY AND MONOPOLY: Oligopoly and monopoly have some similarities, both tend to be relatively large and possess significant market control, but also have a few important differences, oligopoly market has more than one firm. The dividing line between oligopoly and monopoly, however, can be blurred due to the closeness of substitutes and the inclination of oligopoly firms to collude.

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ECONOMIES OF SCALE

Declining long-run average cost that occurs as a firm increases all inputs and expands its scale of production. Economies of scale result from increasing returns to scale and are graphically illustrated by a negatively-sloped long-run average cost curve. Economies of scale usually occur for relatively small levels of production and are then overwhelmed by diseconomies of scale for relatively large production levels. Together, economies of scale and diseconomies of scale create a U-shaped long-run average cost curve.

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BEIGE MUNDORTLE
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Today, you are likely to spend a great deal of time at a garage sale seeking to buy either a handcrafted bird feeder or a New York Yankees baseball cap. Be on the lookout for gnomes hiding in cypress trees.
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Approximately three-fourths of the U.S. paper currency in circular contains traces of cocaine.
"All labor that uplifts humanity has dignity and importance and should be undertaken with painstaking excellence. "

-- Martin Luther King Jr., civil rights leader

JEMS
Journal of Economics and Management Strategy
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