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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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INTERCEPT, NET EXPORTS LINE The intercept of the net exports line indicates autonomous net exports, net exports that do not depend on the level of domestic income or production. This can be thought of as net exports, exports minus imports, that the foreign sector undertakes regardless of the state of the economy. Autonomous net exports are affected by the net exports determinants, which cause a change in the intercept and a shift of the net exports line.
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time wandering around the shopping mall wanting to buy either a weathervane with a horse on top or a case of blank recordable DVDs. Be on the lookout for the last item on a shelf.
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This isn't me! What am I?
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The portrait on the quarter is a more accurate likeness of George Washington than that on the dollar bill.
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"I can't change the direction of the wind, but I can adjust my sails to always reach my destination." -- Jimmy Dean
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AV
Actual Value
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