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The efficient-market hypothesis (EMH) is a hypothesis in financial economics that states that asset prices reflect all available information. A direct...

Efficient energy use, or energy efficiency, is the process of reducing the amount of energy required to provide products and services. There are many...

least as well-off as they were before). A situation is called Pareto efficient or Pareto optimal if all possible Pareto improvements have already been...

application of processes that are environmentally responsible and resource-efficient throughout a building's life-cycle: from planning to design, construction...

buying habits with a propensity to heavier vehicles that are less fuel-efficient. Energy efficiency is similar to fuel efficiency but the input is usually...

Essentially, a more efficient estimator needs fewer input data or observations than a less efficient one to achieve the Cramér–Rao bound. An efficient estimator...

theory, suggests that more egalitarian distributions of wealth are more efficient than inegalitarian distributions. Distributive inefficiency is often associated...

improvements in low temperature operation and reduced loads due to more efficient homes, they are increasing in popularity in cooler climates. They can...

nature. The four causes are the: material cause, the formal cause, the efficient cause, and the final cause. Aristotle wrote that "we do not have knowledge...

Bayerische Motoren Werke AG, trading as BMW Group (commonly abbreviated to BMW (German pronunciation: [ˌbeːʔɛmˈveː] ), sometimes anglicised as Bavarian...

lamps are significantly more energy-efficient than equivalent incandescent lamps and fluorescent lamps. The most efficient commercially available LED lamps...

In computer networking, Energy-Efficient Ethernet (EEE) is a set of enhancements to twisted-pair, twinaxial, backplane, and optical fiber Ethernet physical-layer...

system may be allocatively but not productively efficient, or productively but not allocatively efficient. There are also other definitions and measures...

modern portfolio theory, the efficient frontier (or portfolio frontier) is an investment portfolio which occupies the "efficient" parts of the risk–return...

of transportation Energy-efficient landscaping, a type of landscaping designed for the purpose of conserving energy Efficient energy use, minimizing the...

compared directly, so which of two algorithms is considered to be more efficient often depends on which measure of efficiency is considered most important...

Bribery is the offering, giving, receiving, or soliciting of any item of value to influence the actions of an official, or other person, in charge of a...

Jyoti by Affordable LEDs for All (UJALA) was a project to distribute efficient LED lighting, launched by Prime Minister of India Narendra Modi on 5 Jan...

In fluid dynamics, the drag coefficient (commonly denoted as: c d {\displaystyle c_{\mathrm {d} }} , c x {\displaystyle c_{x}} or c w {\displaystyle c_{\rm...

calculations. As of June 2016[update], the Green500 list rates the two most efficient supercomputers highest – those are both based on the same manycore accelerator...