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RATE OF RETURN: The ratio of the additional annual income or profit generated by an investment to the cost of the investment. Here's a simple example, although the calculations are usually a great deal more involved for actual investments. If the cost of constructing a new factory is $10 million and it gives you an extra $1 million in profit each year, then its rate of return is 10 percent.

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MARGINAL PRODUCTIVITY THEORY

A theory used to analyze the profit-maximizing quantity of inputs (that is, the services of factor of productions) purchased by a firm in the production of output. Marginal-productivity theory indicates that the demand for a factor of production is based on the marginal product of the factor. In particular, a firm is generally willing to pay a higher price for an input that is more productive and contributes more to output. The demand for an input is thus best termed a derived demand.

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BROWN PRAGMATOX
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Today, you are likely to spend a great deal of time looking for the new strip mall out on the highway looking to buy either a package of blank rewritable CDs or yellow cotton balls. Be on the lookout for broken fingernail clippers.
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The average bank teller loses about $250 every year.
"After climbing a great hill, one finds many more hills to climb. "

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FCLT
Functional Central Limit Theorem
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