Specific language impairment (SLI) is diagnosed when a child's language does not develop normally and the difficulties cannot be accounted for by generally slow development, physical abnormality of the speech apparatus, autism spectrum disorder, acquired brain damage or hearing loss.
Perfect competition. A perfectly competitive market is a hypothetical market where competition is at its greatest possible level. Neo-classical economists argued that perfect competition would produce the best possible outcomes for consumers, and society.
Defined. Offline Version: PDF. Term pure market economy Definition: An economy in which markets answer all allocation decisions and answers all three questions of allocation. There is no government. Markets do it all. This is a theoretical ideal or extreme that does not exist in the real world.