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TANSTAAFL: A rather cumbersome and usually hard to remember acronym for the expression "There ain't no such thing as a free lunch. This is a favorite saving of many economists because it highlights, albeit in a grammatically questionable manner, the fundamental problem of scarcity. The phrase serves to emphasize that seemingly "free" lunches are not really free. While they might be free to the customer, someone must pay, that is, incur an opportunity cost of foregone production. The lunch eaten by one person cannot be eaten by another.
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AGGREGATE SUPPLY SHIFTS Changes in the aggregate supply determinants shift both the short-run aggregate supply curve and the long-run aggregate supply curve. The mechanism is comparable to that for market supply determinants and market supply. There are two options--an increase in aggregate supply and a decrease in aggregate supply. An increase in resource quantity or quality or a decrease in resource price shifts one or both of the aggregate supply curves to right. A decrease in resource quantity or quality or an increase in resource price shifts one or both of the aggregate supply curves to left.
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time at a flea market trying to buy either a how-to book on surfing the Internet or a computer that can play music and burn CDs. Be on the lookout for letters from the Internal Revenue Service.
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This isn't me! What am I?
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More money is spent on gardening than on any other hobby.
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"If you don't know where you are going, any road will get you there." -- Lewis Carroll, writer
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PDI
Personal Disposable Income
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