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.
1 Definition of market economy: an economy that allocates resources through the decentralized decisions of many firms and households as they interact in markets for goods and services.  Market prices reflect both the value of a product to consumers and the cost of the resources used to produce it.