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NORMAL GOOD: A good for which an increase in income causes an increase in demand, or a rightward shift in the demand curve. If demand increases as income increases, it is a normal good or a good with a positive income elasticity of demand. A normal good is one of two alternatives falling within the income determinant of demand. The other is an inferior good.

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MARGINAL REVENUE, PERFECT COMPETITION

The change in total revenue resulting from a change in the quantity of output sold. Marginal revenue indicates how much extra revenue a perfectly competitive 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 perfectly competitive firm equates marginal revenue and marginal cost.

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Today, you are likely to spend a great deal of time at a flea market looking to buy either a how-to book on meeting people or clothing for your pet iguana. Be on the lookout for pencil sharpeners with an attitude.
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A half gallon milk jug holds about $50 in pennies.
"A leader is most successful when people barely know he exists. When his work is done, his aim fulfilled, his troops will feel they did it themselves. "

-- Lao-Tzu, philosopher

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