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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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NET PRIVATE DOMESTIC INVESTMENT

Expenditures on capital goods to be used for productive activities in the domestic economy that are undertaken by the business sector during a given time period, after deducting capital depreciation. This is the official item in the National Income and Product Accounts maintained by the Bureau of Economics Analysis measuring net capital investment expenditures. More specifically net private domestic investment is found by subtracting the capital consumption adjustment from gross private domestic investment. Its primary function is to measure the net increase in the capital stock resulting from investment.

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Today, you are likely to spend a great deal of time surfing the Internet trying to buy either software that won't crash your computer or any book written by Stephan King. Be on the lookout for telephone calls from long-lost relatives.
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The average bank teller loses about $250 every year.
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