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TIE-IN SALE: A type of sale in which consumers can buy one good only if they purchase another good as well. For example, if your grocery store sells you a bag of tea with the condition that you buy a pound of sugar, that would be a tie-in sale. Because they allow a monopoly to increase its profit over what it could make by selling the two goods separately at constant prices, tie-in sales can be used to price discriminate. However, it is important to realize that there are other reasons for tie-in sales other than price discrimination, such as to increase efficiency. For example, when we buy a car, it comes as a package of several goods (tires, engine, etc), which would be very difficult (and inefficient) for consumers to assemble if they were bought separately.

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FOURTH ESTATE

Another term for journalists, reporters, and other members of the media. This is one of four divisions of society based on economic function. The other three are government as the first estate, businesses as the second estate, and consumers as the third estate.

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Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club looking to buy either a how-to book on home repairs or a large, stuffed kitty cat. Be on the lookout for defective microphones.
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A half gallon milk jug holds about $50 in pennies.
"An organization's ability to learn, and translate that learning into action rapidly, is the ultimate competitive business advantage. "

-- Jack Welch, General Electric chief executive

ANOVA
Analysis of Variance
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