Efficiency ratio, expenses as a percentage of revenue, etc.
Efficiency Movement, of the Progressive Era 1890-1932, advocated efficiency in the economy, society and government
Material efficiency, compares material requirements between construction projects or physical processes
Textual efficiency, density of a message
Algorithmic efficiency, the speed and space requirements of a computer program
Quantum efficiency, a measure of sensitivity of a photosensitive device: the percentage of photons hitting the photoreactive surface that will produce an electron–hole pair
This disambiguation page lists articles associated with the title Efficiency. If an internal link led you here, you may wish to change the link to point directly to the intended article.