There are a few generally accepted rules that apply to most Latin abbreviations. The major style manuals (MLA, APA and Chicago) agree that Latin abbreviations should be kept out of the main body of a text-that is, they should not appear in ordinary sentences within ordinary paragraphs.
Efficient-market hypothesis. Efficient-market hypothesis (EMH) is a theory in financial economics that states that an asset's prices fully reflect all available information.
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. Perfectly competitive markets exhibit the following characteristics: