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.
The use of set for sit, âto be seated,â is nonstandard: Pull up a chair and set by me. Sit is chiefly intransitive and does not take an object: Let's sit here in the shade. Its past tense and past participle are sat: They sat at the table for nearly two hours.