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INCREASING OPPORTUNITY COST: The proposition that opportunity cost, the value of foregone production, increases as more of a good is produced. This 'law' is most important to the slope of the production possibilities curve. It generates the convex shape of the curve, making the curve flat at the top and steep at the bottom.

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BARTER

A method of trading goods, commodities, or services, directly for one another without the use of money. Barter was the first type of market exchanged undertaken by human civilization as people advanced beyond self sufficiency in the satisfaction of their wants and needs. Modern economies still use a modest amount of barter to allocate resources. The key to a barter exchange is a double coincidence of wants, in which each side of the exchange wants what the other side has and has want the other side wants. A barter exchange tends to be less efficient that exchanges involving money.

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Today, you are likely to spend a great deal of time calling an endless list of 800 numbers looking to buy either a T-shirt commemorating last Friday (you know why) or a rotisserie oven that can also toast bread. Be on the lookout for mail order catalogs with hidden messages.
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More money is spent on gardening than on any other hobby.
"Our vision controls the way we think and, therefore, the way we act . . . The vision we have of our jobs determines what we do and the opportunities we see or don't see. "

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