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EFFICIENT SEARCH: Decreasing marginal search benefit and increasing marginal search cost suggest that the most efficient search lies somewhere between zero effort and complete information. The most efficient level of search effort is given by the equality of marginal search benefit and marginal search cost.

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HERFINDAHL INDEX

A measure of concentration of the production in an industry calculated as the sum of the squares of market shares for each firm. This is one method of summarizing the degree to which an industry is oligopolistic and the concentration of market control held by the largest firms in the industry. Two other measures of industry concentration are the four-firm concentration ratio and the eight-firm concentration ratio.

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APLS

WHITE GULLIBON
[What's This?]

Today, you are likely to spend a great deal of time touring the new suburban shopping complex trying to buy either a half-dozen helium filled balloons or a packet of address labels large enough for addresses of both the sender and the recipient. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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This isn't me! What am I?

The average length of a "business lunch" is about 36 minutes.
"It has been my philosophy of life that difficulties vanish when faced boldly. "

-- Isaac Asimov

P&L
Profit and Loss
A PEDestrian's Guide
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