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PERFECT COMPETITION CHARACTERISTICS: The four key characteristics of perfect competition are: (1) large number of small firms, (2) identical products sold by all firms, (3) freedom of entry into and exit out of the industry, and (4) perfect knowledge of prices and technology. These four characteristics mean that a given perfectly competitive firm is unable to exert any control whatsoever over the market.

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MARGINAL UTILITY CURVE

A curve illustrating the relation between the marginal utility obtained from consuming an additional unit of good and the quantity of the good consumed. The negative slope of the marginal utility curve reflects the law of diminishing marginal utility. The marginal utility curve also can be used to derived the demand curve.

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BROWN PRAGMATOX
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Today, you are likely to spend a great deal of time lost in your local discount super center wanting to buy either a large green chalkboard shaped like the state of Maine or a replacement battery for your pocket calculator. Be on the lookout for telephone calls from long-lost relatives.
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The 1909 Lincoln penny was the first U.S. coin with the likeness of a U.S. President.
"Don't judge each day by the harvest you reap but by the seeds that you plant. "

-- Robert Louis Stephenson, writer

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