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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 ?
This report provides in depth study of "Energy Efficient Construction Market" using SWOT analysis i.e.
SGO Super Efficient SN 0W20 responds rapidly to engine acceleration and enhances fuel economy with a subsequent diminution in emissions.
For real estate professionals, energy efficient construction can lead to increased customer satisfaction and loyalty; higher referral rates; higher commission rates due to increased home value; and long-term deals by knowing solutions to overcome barriers.
Dr Ayandele stated that about 34 awardees were rewarded with cash gifts of One Hundred Thousand Naira and automatic promotions, noting that nine MDAs were rewarded as Efficient Ministries with the Ministry of Information, Culture and Tourism topping the log as the Most Efficient and Effective Ministry in Oyo State in 2017.
The report's authors say the study builds on its earlier work comparing US and European carriers that found airlines with more fuel-efficient aircraft, less premium seating and higher passenger- and freight-load factors operated the most efficient flights.
The SCR Chief Public Relations Officer (CPRO) Uma Shankar said that Kacheguda railway station is now a number one energy efficient railway station in Indian railways.
This process will prevent the efficient level of defense from being achieved as the threat of aggression falls.
According to the statement of objects and reasons of the bill the conversion and efficient use of energy is pivotal for development of the country.
The report covers all the major energy efficient standards, product types, applications and end users of the energy efficient motors.
The Super-efficient Equipment and Appliance Deployment (SEAD) Initiative has announced the winners of its Global Efficiency Medal competition for the world's most energy- efficient computer monitors.
HOUSING association Orbit Heart of England has unveiled two newly-refurbished Warwickshire homes which are an incredible 90 per cent more energy efficient than the typical house.

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