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January 15, 2025 

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SELLERS' MARKET: A disequilibrium condition in a competitive market that has a shortage, such that sellers are able to force the price up. Note that a sellers' market does not mean that the lack of competition among demanders have given sellers market control. A sellers' market is a competitive market that is faced with a temporary imbalance between the quantity supplied by the sellers and the quantity demanded by the buyers.

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HERFINDAHL INDEX: A measure of concentration of the production in an industry that's calculated as the sum of the squares of market shares for each firm. This is an alternative method of summarizing the degree to which an industry is oligopolistic and the relative concentration of market power held by the largest firms in the industry. The Herfindahl index gives a better indication of the relative market control of the largest firms than can be found with the four-firm and eight-firm concentration ratios.

     See also | market share | oligopoly | concentration ratio | market control | antitrust laws |


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HERFINDAHL INDEX, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2025. [Accessed: January 15, 2025].


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INFORMATION SEARCH

The decision to seek out or produce information based on a comparison of the cost of acquiring the information and the benefit obtained from the information. Efficient information search is achieved with a equality between the marginal cost of search and the marginal benefit of search. Because the marginal cost of search is invariably greater than zero, search effort stops short of acquiring complete information.

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Today, you are likely to spend a great deal of time watching the shopping channel hoping to buy either shoe laces for your snow boots or a rim for your spare tire. Be on the lookout for cardboard boxes.
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The wealthy industrialist, Andrew Carnegie, was once removed from a London tram because he lacked the money needed for the fare.
"My philosophy of life is that if we make up our mind what we are going to make of our lives, then work hard toward that goal, we never lose - somehow we win out."

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