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 verb (BE IN A POSITION). âº [I] (present participle sitting, past tense and past participle sat /saet/) sÃ¦t to be âor stay in âa position âor: Place âthat book is still sitting on âmy shelf. Unread âthe college sits âon top of âa. hill