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 Greensboro sit-ins at a Woolworth's in Greensboro, North Carolina, on February 1, 1960, launched a wave of anti-segregation sit-ins across the South and opened a national awareness of the depth of segregation in the nation.