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TRANSACTION COSTS: The costs that arise when dealing or trading with others that are beyond the price. These include the costs of negotiating, writing and enforcing contracts. When buying or selling securities for example, transaction costs include brokers' commissions and dealers' spreads.

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FOUR-FIRM CONCENTRATION RATIO

The proportion of total output in an industry produced by the four 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 four-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 four largest firms in the industry.

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Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors seeking to buy either looseleaf notebook paper or a three-hole paper punch. Be on the lookout for rusty deck screws.
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Lombard Street is London's equivalent of New York's Wall Street.
"If you are neutral in situations of injustice, you have chosen the side of the oppressor. If an elephant has its foot on the tail of a mouse and you say that you are neutral, the mouse will not appreciate your neutrality."

-- Desmond Tutu, activist

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Council for European Economic Cooperation
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