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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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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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BLACK DISMALAPOD
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Today, you are likely to spend a great deal of time strolling through a department store hoping to buy either an electric coffee pot with automatic shutoff or a brown leather attache case. Be on the lookout for neighborhood pets, especially belligerent parrots.
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Three-forths of the gold mined each year is used to manufacture jewelry.
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"Being defeated is only a temporary condition; giving up is what makes it permanent." -- Marilyn vos Savant, Author
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AACCLA
Association of American Chambers of Commerce in Latin America
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