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BARTER EXCHANGE: A method of trading goods, commodities, or services, directly for one another without the use of money. In a barter exchange one good is traded directly for another. This sort of exchange ultimately requires a double coincidence of wants, meaning that each trader has what the other trader wants and wants what the other has. Without a double coincidence of wants the exchange process can become exceedingly complex, requiring a great deal of resources to complete transactions, resources that can not be used for production. In fact, inefficient barter trading was the primary reason that money was invented. With money, more resources can be used for production and fewer are needed for trading. See market.
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CHANGE IN REAL PRODUCTION The movement along the short-run or long-run aggregate supply curve caused by a change in the price level. A change in real production is caused ONLY by a change in the price level. This is one of two changes related to aggregate supply. The other is a change in aggregate supply. A change in real production is comparable to a change in quantity supplied. A change in real production for short-run aggregate supply means real production changes with a movement along a given short-run aggregate supply curve. However, the term "change in real production" is also used for movements along a given long-run aggregate supply curve, even though real production does not actually change in the long run.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time at a crowded estate auction hoping to buy either a decorative windchime with plastic or a flower arrangement for that special day for your mother. Be on the lookout for pencil sharpeners with an attitude.
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This isn't me! What am I?
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John Maynard Keynes was born the same year Karl Marx died.
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"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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IARA
Increasing Absolute Risk Aversion
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