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HEDGING: Buying or selling futures contracts to protect against price changes. This is a common form of "insurance" used by those who produce various commodities, such as wheat, cattle, coffee, and natural gas, as well as those who buy these commodities as inputs.
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VARIABLE INPUT An input whose quantity can be changed in the time period under consideration. The most common example of a variable input is labor. Variable inputs provide the means used by a firm to control short-run production. The alternative to variable input is fixed input. A fixed input, like capital, provides the capacity constraint in production. As larger quantities of a variable input, like labor, are added to a fixed input like capital, the variable input becomes less productive, which is the law of diminishing marginal returns.
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There were no banks in colonial America before the U.S. Revolutionary War. Anyone seeking a loan did so from another individual.
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"The greatest use of life is to spend it for something that will outlast it." -- William James, psychologist
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WPI
Wholesale Price Index
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