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.
An emerging market is a country that has some characteristics of a developed market, but does not meet standards to be a developed market. This includes countries that may become developed markets in the future or were in the past. The term frontier market is used for developing countries with slower economies than emerging. The economies of China and India are considered to be the largest. According to The Economist, many people find the term outdated, but no new term has gained traction. Emerging market hedge fund capital reached a record new level in the first quarter of 2011 of $121 billion.