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.
sitâ¢uâ¢aâ¢tion (sichâ²oÌoÌ Äâ²shÉn),USA pronunciation n. 1  manner of being situated; 2  a place or locality. 3  condition; 4  the state of affairs; 5  a position or post of employment; 6  a state of affairs of special or critical significance in the course of a play, novel, etc.