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 bicycles have one seat, while many motorcycles have two seats. If your teacher invites you to Take a seat, he means Find a chair and sit in it. There are seats in cars and airplanes, around tables, in restaurants, and in movie theaters. As a verb, seat means help someone find a place to sit, the way an usher seats audience members at a concert.