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BARTER: 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.
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AGGREGATE SUPPLY The total (or aggregate) real production of final goods and services available in the domestic economy at a range of price levels, during a given time period. Aggregate supply, usually abbreviated AS, is two different relations between price level and real production--long run and short run. With long-run aggregate supply, prices and wages are flexible and all markets are in equilibrium. With short-run aggregate supply some prices and wage are NOT flexible and some markets are NOT in equilibrium. This is one half of the AS-AD (aggregate market) analysis. The other half is aggregate demand.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time at a dollar discount store hoping to buy either a T-shirt commemorating the 2000 Olympics or a genuine fake plastic Tiffany lamp. Be on the lookout for slow moving vehicles with darkened windows.
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The first paper currency used in North America was pasteboard playing cards "temporarily" authorized as money by the colonial governor of French Canada, awaiting "real money" from France.
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"Don't judge each day by the harvest you reap, but by the seeds you plant." -- Robert Louis Stevenson, Author
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MRS
Marginal Rate of Substitution
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