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The degree and speed with which a market accurately incorporates information into prices.
Copyright © 2012, Campbell R. Harvey. All Rights Reserved.

Market Efficiency

The extent to which the price of an asset reflects all information available. Economists disagree on how efficient markets are. Followers of the efficient markets theory hold that the market efficiently deals with all information on a given security and reflects it in the price immediately, and that technical analysis, fundamental analysis, and/or any speculative investing based on those methods are useless. On the other hand, the primary observation of behavioral economics holds that investors (and people in general) make decisions on imprecise impressions and beliefs, rather than rational analysis, rendering markets somewhat inefficient to the extent that they are affected by people.
Farlex Financial Dictionary. © 2012 Farlex, Inc. All Rights Reserved


the relationship between the quantities of factor inputs (labour, materials, etc.) used by a firm and the quantity of output which it is able to produce using these inputs. Where a firm is able to produce the same output using fewer inputs or produce more output using the same quantity of inputs then it has improved its efficiency See PRODUCTIVITY.
Collins Dictionary of Business, 3rd ed. © 2002, 2005 C Pass, B Lowes, A Pendleton, L Chadwick, D O’Reilly and M Afferson


the relationship between scarce FACTOR INPUTS and OUTPUTS of goods and services. This relationship can be measured in physical terms (TECHNOLOGICAL EFFICIENCY) or cost terms (ECONOMIC EFFICIENCY). The concept of efficiency is used as a criterion in judging how well MARKETS have allocated resources. See MARKET PERFORMANCE, RESOURCE ALLOCATION, ECONOMIZE.
Collins Dictionary of Economics, 4th ed. © C. Pass, B. Lowes, L. Davies 2005
References in periodicals archive ?
Highly Efficient is bred to be a lot better at 2m and we know the soft ground suits him.
The new method is highly efficient and offers numerous advantages.
Depending on the grade selected, they are suitable for use in the highly efficient blown film or extrusion coating processes.
The other reason is that banks have gotten highly efficient at providing correspondent services, said Lawrence Remmel, an attorney with Pryor Cashman in New York who specializes in financial services.
Summary: Siemens Energy has been given full notice to proceed (NTP) from York Energy Centre LP for the supply of two highly efficient SGT6-PAC 5000F gas turbine-generators and supporting gas turbine auxiliaries for the York Energy Centre power plant located in the Township of King
The new low-emission Fiesta is lighter than the old car and uses a highly efficient 1.4- litre diesel to achieve 70mpg according to Ford.
The new low-emission Fiesta is lighter than the old car and uses a highly efficient 1.4-litre diesel to achieve 70mpg according to Ford.
Once identified, these may then be further improved using the company's highly efficient process for fine-tuning of antibodies and other proteins to increase their activity, called EvoGene(TM) Optimisation.
The highly efficient process reduces carbon dioxide emissions by up to 50% and produces no harmful emissions.
The highly efficient floor plates, along with wide-column spacing, offer versatile, flexible layouts while floor-to-ceiling windows allow for natural light to enhance the work environment.
"Having the 834th located in California is ideal for covering down on NTC rotations from Hawaii; they are highly efficient surface distribution managers who are familiar with the strict state regulatory requirements," said Wilson.
But their popularity can mask many of the very real benefits of this highly efficient form of packaging.

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