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.
sit (present sit, present participle sittende, past participle gesit) (intransitive) to sit; to be in a sitting position (usually used with op, binne or in) (intransitive) to sit; to sit down to move into a sitting position