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KALDOR-HICKS EFFICIENCY: A type of efficiency that results if the monetary value of society's resources are maximized. This is achieved if the marginal willingness to pay by those who benefit from an action is equal to the marginal willingness to accept of those harmed. If this condition is not achieved, then a Kaldor-Hicks improvement is possible. Kaldor-Hicks efficiency, named after Nicholas Kaldor and John Hicks, is the theoretical basis of benefit-cost analysis, a technique commonly used to evaluate the desirability of producing public goods (such as parks, highways, or reservoirs). This is one of two noted efficiency criteria used in economics. The other is Pareto efficiency.

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EIGHT-FIRM CONCENTRATION RATIO

The proportion of total output in an industry produced by the eight largest firms in an industry. This is one of two common concentration ratios. The other is the eight-firm concentration ratio. Another related measure is the Herfindahl index. The eight-firm concentration ratio is commonly used to indicate the degree to which an industry is oligopolistic and the extent of market control held by the eight largest firms in the industry.

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Today, you are likely to spend a great deal of time at a dollar discount store looking to buy either a handcrafted bird house or a weathervane with a chicken on top. Be on the lookout for door-to-door salesmen.
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Much of the $15 million used by the United States to finance the Louisiana Purchase from France was borrowed from European banks.
"Gravitation can not be held responsible for people falling in love."

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Journal of Industrial Economics
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