Mean variance analysis is a component of modern portfolio theory, which assumes investors make rational decisions, and that for increased risk they expect a higher return. Next Up.
sitâ²-in`. 1. an organized passive protest against racial segregation in which the demonstrators occupy seats prohibited to them in public places. 2. any organized protest in which the demonstrators occupy and refuse to leave a public place.
Most commonly, sit-down restaurant refers to a casual dining restaurant with table service, rather than a fast food restaurant or a diner, where one orders food at a counter. Sit-down restaurants are often further categorized, in North America, as family-style or formal.