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-ins: Nashville, Tenn. The Nashville sit-in movement is widely regarded as one of the most successful and sustained student-directed sit-in campaigns of the Civil Rights movement.Contributing to its success was the leadership and organization provided by noted pacifist, James M. Lawson.ackground: The Nashville sit-in movement is widely regarded as one of the most successful and sustained student-directed sit-in campaigns of the Civil Rights movement.